Biopsychology- Quiz (A2)

Frage 1 von 67

1

The Nervous Systems

❌- made up of the brain and spinal cord. The spinal cord is responsible for reflex actions, while the brain is the centre of all conscious awareness. It has a very advanced cerebral cortex compared to animals.
❌- made up of millions of neurons that transmit messages to and from the CNS.
❌- a subsystem of the PNS, this nervous system controls bodily functions, like breathing and heart rate
❌- a subsystem of the PNS, this nervous system controls voluntary movement.
❌- a branch of the ANS which is involved in the fight or flight response, and makes the body physiologically aroused
❌- a branch of the ANS which is involved in the fight or flight response, and returns the body to its resting state.

Klicke und ziehe, um den Text zu vervollständigen.

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

Somatic Nervous System

Sympathetic Nervous System

Parasympathetic Nervous System

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Frage 2 von 67

1

What is a gland?

Wähle eine der folgenden:

An organ/biological structure that synthesises hormones
An organ/biological structure that synthesises neurotransmitters
A chemical substance in the bloodstream that controls bodily functions
A section of the brain that deals with decision making and planning

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Frage 3 von 67

1

How does the endocrine system differ from the nervous systems?

Wähle eine der folgenden:

It is quicker but less powerful
It is quicker and more powerful
It is slower but less powerfull
It is slower and more powerful

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Frage 4 von 67

1

Which gland is considered the 'master gland', as it controls all other glands?

Wähle eine der folgenden:

Pineal gland
Pituitary gland
Thyroid gland
Hypothalamus

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Frage 5 von 67

1

Label the process of the fight or flight response (starting at 1, ending at 5) with the correct letter.

Ziehe eine Antwort zum richtigen orangen Punkt.

C

B

E

D

A

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Frage 6 von 67

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Label the neuron below.

Ziehe eine Antwort zum richtigen orangen Punkt.

Axon terminals

Axon

Myelin sheath

Nucleus

Cell body

Dendrites

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Frage 7 von 67

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Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

Sensory neurons: have ( long, short ) dendrites and ( short, long ) axons
Motor neurons: have ( short, long ) dendrites and ( long, short ) axons
Relay neurons: have ( short, long ) dendrites and ( short, long ) axons

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Frage 8 von 67

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Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

When in a resting state, the neuron is ( negatively, positively ) charged. Upon activation by a stimulus, it temporarily becomes ( positively, negatively ) charged, creating an action potential.

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Frage 9 von 67

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Label the diagram of synaptic transmission.

Ziehe eine Antwort zum richtigen orangen Punkt.

Electrical impulse

Axon

Pre-synaptic neuron

Vesicles

Synapse

Neurotransmitter

Receptor sites

Post-synaptic neuron

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Frage 10 von 67

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Messages between neurons are transmitted ❌ while messages within neurons are transmitted ❌.

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chemically

electrically

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Frage 11 von 67

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Which of the following is an excitatory neurotransmitter?

Wähle eine der folgenden:

Serotonin
Adrenaline
GABA
Glycine

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Frage 12 von 67

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Which of the following is an inhibitory neurotransmitter?

Wähle eine der folgenden:

Serotonin
Adrenaline
Glutamate
Histamine

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Frage 13 von 67

1

What is the theory that opposes localisation of function?

Wähle eine der folgenden:

Holism
Humanism
Determinism

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Frage 14 von 67

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Label the lobes and areas of the brain.

Ziehe eine Antwort zum richtigen orangen Punkt.

The frontal lobe

Broca's area

The temporal lobe

Wernicke's area

The occipital lobe

The parietal lobe

The somatosensory area

The motor cortex

The cerebellum

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Frage 15 von 67

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The functions of the lobes/areas

❌: controls planning and decision making. Damage leads to a lack of restraint and rash actions
❌: controls voluntary movement. Damage leads to loss of fine motor skills
❌: receives sensory information from the skin. Damage leads to an inability to identify by touch
❌: the visual area in which each eye sends information to the opposite side of the brain. Damage leads to blindness in the opposite eye
❌: the auditory area in which speech-based information is analysed. It is also in charge of facial recognition. Damage leads to partial hearing loss
❌: controls understanding speech. Damage leads to Wernicke's aphasia (fluent but nonsensical speech)
❌: controls speech production. Damage leads to Broca's aphasia (non-fluent and labourious speech)

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Frontal lobe

Motor area

Somatosensory area

Occipital lobe

Temporal lobe

Wernicke's area

Broca's area

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Frage 16 von 67

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Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

There are three types of evidence which support localisation of function:

Brain scan evidence: ( Peterson, Wernicke, Tulving, Baddeley ) did brain scans and found Wernicke's area was active during listening tasks (understanding speech), while Broca's area was active for reading aloud tasks (speech production). ( Tulving, Peterson, Wernicke, Baddeley ) found that episodic and semantic memories were stored on different sides of the pre-frontal lobe. This type of evidence is scientific and objective.
Neurosurgical evidence: ( Dougherty, Baddeley, Tulving, Wernicke ) suggested that lesioning the cingulate gyrus helps treat OCD
Case study evidence: ( Phineas Gage, Clive Wearing, KF, Little Albert ) had a pole through his head which damaged the frontal lobe, and he became rash and lacked restraint. This shows the function of the frontal lobe

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Frage 17 von 67

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There are two main disadvantages of the localisation of function theory:
❌'s research: he removed parts of the cortex in rats and found that it didn't matter which part was removed, the effect on learning was the same. This supports the holistic view.
❌: when damaged, the brain can reorganise itself to recover the lost function. This suggests that all parts of the brain are involved in functions, thus supporting the holistic theory.

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Lashley

Tulving

Peterson

Dougherty

Plasticity

Biological rhythms

Split-brain research

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Frage 18 von 67

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Plasticity

During infancy, a child undergoes ❌ brain development- synaptic connections peak at ❌ at ❌ years old (❌)
As we age, rarely used connections are deleted while frequently used ones are strengthened. This is known as ❌.

Klicke und ziehe, um den Text zu vervollständigen.

rapid

gradual

minimal

moderate

15,000

1,000

1 million

1,500

2-3

10

6

Gopnick

Tulving

Baddeley

Peterson

synaptic pruning

synaptic hedging

Axon sprouting

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Frage 19 von 67

1

Which researcher investigated plasticity with relation to taxi drivers having more grey matter in the posterior hippocampus (linked to spatial memory) than a control group?

Wähle eine der folgenden:

Maguire
Tulving
Draganski
Dougherty

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Frage 20 von 67

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Which researcher investigated plasticity with relation to medical students who had learning-induced changes in their posterior hippocampus and the parietal cortex 3 months after their exam?

Wähle eine der folgenden:

Draganski
Lashley
Maguire
Tulving

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Frage 21 von 67

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There are 3 structural changes that occur in the brain during functional recovery. Choose the 3 changes below.

Wähle eine oder mehr der folgenden:

Axon sprouting
Dendrite sprouting
Synaptic pruning
Reformation of blood vessels
Recruitment of homologous areas
Recruitment of heterologous areas
Reduction of blood vessels

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Frage 22 von 67

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What is meant by 'homologous areas' with regards to functional recovery?

Wähle eine der folgenden:

Areas of the brain in the opposite hemisphere that are similar to those areas damaged
Areas of the brain in the same hemisphere that are similar to those areas damaged
Areas of the brain in the opposite hemisphere that are different to those areas damaged
Areas of the brain in the same hemisphere that are different to those areas damaged

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Frage 23 von 67

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What is the practical application of research into plasticity (according to the AQA textbook)?

Wähle eine der folgenden:

Contribution to neuro-rehabilitation such as movement therapy and electrical stimulation to counter deficits in cognitive/motor functioning
Treating OCD via lesioning the cingulate gyrus, as the function will transfer to a homologous area..
To act as a treatment for phantom limb syndrome
To be used in care homes for elderly people who suffer from dementia as a way of countering the effects of the illness

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Frage 24 von 67

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Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

( Hubel and Wiesel, Dougherty, Maguire, Draganski ) investigated functional recovery by sewing a ( kitten, puppy, rhesus monkey, toddler )'s eye shut. They found that the area of the visual cortex without that eye continued to process information from the other eye.

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Frage 25 von 67

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What are two examples of negative plasticity?

Wähle eine oder mehr der folgenden:

Phantom limb syndrome
PTSD
Dementia
Paralysis

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Frage 26 von 67

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'Plasticity reduces with age before eventually stopping'

Is this statement true or false?

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 27 von 67

1

'The idea that the two hemispheres of the brain are functionally different and that certain mental processes are primarily processed by one side of the brain'

Which of the following does this describe?

Wähle eine der folgenden:

Plasticity
Holism
Localisation of function
Hemispheric lateralisation

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Frage 28 von 67

1

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The right hemisphere includes functions such as ( art awareness, analytic thought ), ( creativity, langauge ), ( holistic thoughts, science/maths ), and ( left, right ) hand controls.
The left hemisphere includes functions such as ( analytic thought, art awareness ), ( language, creativity ), ( science/maths, holistic thoughts ), and ( right, left ) hand controls.

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Frage 29 von 67

1

Which researcher investigated split-brain research?

Wähle eine der folgenden:

Sperry
Siffre
Tulving
Doughtery
Draganski

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Frage 30 von 67

1

What kind of operation had the participants of Sperry's split-brain study undergone?

Wähle eine der folgenden:

A comissurotomy- removal of the corpus callosum
A pre-frontal lobotomy- cutting the connections to and from the prefrontal cortex
Lesioning of the cingulate gyrus

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Frage 31 von 67

1

Which disorder did the participants in Sperry's split-brain research suffer from?

Wähle eine der folgenden:

Epilepsy
Diabetes
OCD
Amnesia
Dementia

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Frage 32 von 67

1

What is the role of the corpus callosum with relation to split-brain research?

Wähle eine der folgenden:

Connection between the two hemispheres
The area of the brain associated with facial recognition
The area of the brain associated with identification by touch
Connection between the suprachiasmatic nucleus and the two hemispheres

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Frage 33 von 67

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In the diagram below, you will see examples of the split-brain research procedures. Considering the functions of the left hemisphere (right visual field) and right hemisphere (left visual field), label the procedures.

Ziehe eine Antwort zum richtigen orangen Punkt.

Describe what you see

Recognition by touch

Simultaneous words

Matching faces

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Frage 34 von 67

1

Name two advantages of Sperry's split-brain research

Wähle eine oder mehr der folgenden:

Good supporting evidence- his research produced impressive and sizeable evidence for hemispheric lateralisation
Good supporting evidence- his research produced impressive and sizeable evidence for functional recovery
Good methodology- used specialised and standardised procedures
Easy to generalise- a large sample size with diverse sample characteristics makes the theories easy to generalise
Comprehensive approach- it takes into account how the right hemisphere can still be associated with language, and therefore doesn't oversimplify

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Frage 35 von 67

1

Name two disadvantages of Sperry's split-brain research

Wähle eine oder mehr der folgenden:

Insufficient evidence- there is very little evidence to support Sperry's theory
Poor methodology- lack of standardisation and control, with researcher bias playing a significant role in the findings
Difficult to generalise due to the abnormal sample characteristics- epilepsy
Gender bias- only studied women, and split brain research has showed notable differences in men in terms of hemispheric lateralisation
Oversimplification- the right hemisphere does still play a role in language, not just the left hemisphere.

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Frage 36 von 67

1

In the spaces provided, label the scanning technique described.

Ziehe eine Antwort zum richtigen orangen Punkt.

ERPs

Post-mortem examinations

fMRIs

EEGs

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Frage 37 von 67

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Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

There are points to consider when evaluating scanning techniques. This includes:
( Cost, Temporal resolution, Spatial resolution, Ethical issues, Risks )- is it a technique that is expensive?
( Temporal resolution, Spatial resolution, Ethical issues, Risks, Cost )- is there a lag in the scanning, or is it instantaneous?
( Spatial resolution, Temporal resolution, Cost, Ethical issues, Risks )- is the picture clear?
( Ethical issues, Risks, Temporal resolution, Spatial resolution, Cost )- people can't consent if they're dead
( Risks, Temporal resolution, Spatial resolution, Ethical issues, Cost )- does the technique use radiation or invasive methods?
How much does it actually tell us?- fMRI is just blood flow, and post-mortems are affected by extraneous variables

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Frage 38 von 67

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Biological Rhythms

Circadian rhythms: ❌, such as the ❌
Ultradian rhythms: ❌, such as the ❌
Infradian rhythms: ❌, such as the ❌
Circannual rhythms: a type of infradian rhythm that is ❌, such as ❌

Klicke und ziehe, um den Text zu vervollständigen.

every 24 hours

more than once every 24 hours

less than once every 24 hours

once every year

sleep cycle

menstrual cycle

seasonal affective disorder

sleep/wake cycle

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Frage 39 von 67

1

Siffre spent 2 months in a cave to investigate how the sleep/wake cycle was influenced by endogenous pacemakers. How did his sleep/wake cycle change?

Wähle eine der folgenden:

Changed to a 25 hour sleep/wake cycle
Changed to a 29 hour sleep/wake cycle
Changed to a 18 hour sleep/wake cycle
There was no change

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Frage 40 von 67

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❌ had participants spend a month in ❌ with no exogenous zeitgebers. The majority had a 24-25 hour sleep/wake cycle.
❌ had 12 volunteers live ❌ for 3 weeks with no light. Gradually, the clocks were sped up so a seemingly 24 hour day lasted only 22 hours. The majority maintained a 24-25 hour sleep/wake cycle.

These studies suggest ❌ have little influence on our biological rhythms.

Klicke und ziehe, um den Text zu vervollständigen.

Aschoff and Wever

Folkard

in a cave

a WW2 bunker

exogenous zeitgebers

endogenous pacemakers

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Frage 41 von 67

1

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The main endogenous pacemaker for the sleep/wake cycle is the ( suprachiasmatic nucleus, hippocampus, daylight, heat ), and the exogenous zeitgeber is ( daylight, heat, weather, sound ).

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Frage 42 von 67

1

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

One advantage of research into circadian rhythms is the practical application. This includes ( shift work, volnteering, part-time work, full-time work )- well-lit rooms and regular breaks. This improves production and decreases risk of harm.
( Drug treatment, Cognitive therapy, Socio-psychological therapies ) can also be improved- drugs are taken ( at certain peak times, in the morning, when needed ) to be most effective.

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Frage 43 von 67

1

Research into circadian rhytms (the sleep/wake cycle) used small samples and case studies. Why is this an issue?

Wähle eine der folgenden:

Difficult to generalise
Culture bound
Ethical issues- lack of informed consent

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Frage 44 von 67

1

Why could we say that there was poor control in studies into the sleep/wake cycle?

Wähle eine der folgenden:

They still used artificial light
When speeding up the clocks in Folkard's study, they used estimation rather than precision
There were places where the participants could still see natural light

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Frage 45 von 67

1

How often does the menstrual cycle occur?

Wähle eine der folgenden:

28 days
Once a year
Once a day (if this happens to you, you might want to get it checked out...)
14 days
A week

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Frage 46 von 67

1

Which two hormones are involved in the menstrual cycle?

Wähle eine oder mehr der folgenden:

Oestrogen
Testosterone
Progesterone
Oxytocin
Insulin

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Frage 47 von 67

1

The menstrual cycle

1. High levels of ❌ cause the ovary to develop an egg
2. The egg is released
3. After ❌, ❌ thickens the lining of the womb. If an egg isn't fertilised, the womb lining is shed and leaves the body (❌)

Klicke und ziehe, um den Text zu vervollständigen.

oestrogen

ovulation

menstrual flow

progesterone

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Frage 48 von 67

1

Which researcher investigated the menstrual cycle?

Wähle eine der folgenden:

McClintock
Folkard
Aschoff and Wever
Siffre
Sperry

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Frage 49 von 67

1

McClintock studied women with irregular menstrual cycles. He took samples of pheromones from 9 women during their cycle, and wiped them on the upper lip of 20 other women. What percentage of the women experienced changes to their menstrual cycle which synced them to their pheromone donor?

Wähle eine der folgenden:

68%
100%
None
44%
12%

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Frage 50 von 67

1

What does McClintock's study of the menstrual cycle highlight the role of?

Wähle eine der folgenden:

Endogenous pacemakers
Exogenous zeitgebers

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Frage 51 von 67

1

When does Seasonal Affective Disorder affect sufferers of the disorder?

Wähle eine der folgenden:

Mornings
Evenings
Winter
Summer
Autumn
Spring

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Frage 52 von 67

1

Seasonal Affective Disorder

Lowered exposure to sunlight in the ❌ leads to larger quantities of ❌ being produced. As a result, less ❌ is produced, hence the lowered mood.

Klicke und ziehe, um den Text zu vervollständigen.

winter

evening

summer

early morning

melatonin

serotonin

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Frage 53 von 67

1

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The sleep cycle is ( an ultradian, a circadian, an infradian ) rhythm; it involves 5 stages, and lasts ( 90 minutes, a day, an hour ).
Stage 1+2- light sleep, easy to wake. ( Alpha to theta waves, Delta waves, Mixture of waves )
Stage 3+4- deep sleep, difficult to wake. ( Delta waves, Alpha to theta waves, Mixture of waves )
Stage 5- REM sleep, the body is paralysed but the mind speeds up. ( Mixture of waves, Delta waves, Alpha to theta waves )

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Frage 54 von 67

1

Some psychologists suggest the menstrual synchrony has an evolutionary basis- menstruating together leads to falling pregnant around the same time, so the children could be cared for collectively. However, why may we actually question the validity of this statement?

Wähle eine der folgenden:

There isn't enough evidence about the menstrual cycle
This would actually just create competition for the highest quality males in the group, so avoidance of synchrony would be better
The males would fight over the females

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Frage 55 von 67

1

Factors such as diet, stress and exercise affect the menstrual cycle

Wähle eins der folgenden:

WAHR
FALSCH

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Frage 56 von 67

1

Dement and Kleitman carried out brain scans to study the sleep cycle. They would wake the participants up during different stages. At which stage would it be easiest to recall dreams?

Wähle eine der folgenden:

Stage 1
Stage 5- REM sleep
Stage 4

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Frage 57 von 67

1

What is the main advantage of research into SAD?

Wähle eine der folgenden:

It leads to the development of treatments like photo-therapy
It means SAD can be predicted in future generations
It means people can take time off work for the disorder without a diagnosis

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Frage 58 von 67

1

What the main endogenous pacemaker in humans?

Wähle eine der folgenden:

The suprachiasmatic nucleus
Daylight
The liver
The peripheral oscillator

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Frage 59 von 67

1

What does the suprachiasmatic nucleus (SCN) lie above in the hypothalamus?

Wähle eine der folgenden:

The optic chiasm
The parahippocampal gyrus
Wernicke's area
The cerebellum

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Frage 60 von 67

1

DeCoursey destroyed the suprachiasmatic nucleus in 30 chipmunks. What effect did this have on their sleep/wake cycle?

Wähle eine der folgenden:

None- the cycle remained 24 hours
It decreased to 16 hours
It disappeared entirely, so they stayed awake and were killed by predators
It increased until they essentially slept all day and night, so were killed by predators

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Frage 61 von 67

1

Ralph transplanted the SCN cells of hamsters with 20-hour sleep/wake cycles to hamsters with regular 24- hour sleep/wake cycles. What effect did this have on the normal hamsters?

Wähle eine der folgenden:

Their sleep/wake cycles changed to 20 hours
There was no significant change in their sleep/wake cycle
Their sleep/wake cycle disappeared entirely
The sleep/wake cycle changed to 45 hours

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Frage 62 von 67

1

Which gland produces melatonin?

Wähle eine der folgenden:

The pineal gland
The pituitary gland
The thyroid gland
The adrenal gland

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Frage 63 von 67

1

What is the name given to the other endogenous pacemakers found in the body other than the SCN, such as the liver and spleen?

Wähle eine der folgenden:

Peripheral oscillators
Peripheral circulators
Peripheral nervous system

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Frage 64 von 67

1

Campbell and Murphy conducted a study in which a light pad was shone on the backs' of participants' knees at regular intervals during sleep. What did they find?

Wähle eine der folgenden:

The menstrual cycle became more frequent
The sleep/wake cycle deviated by 3 hours
The sleep cycle became 70 minutes, rather than 90

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Frage 65 von 67

1

Other than light, what is another key exogenous zeitgeber?

Wähle eine der folgenden:

The suprachiasmatic nucleus
Genetic makeup
Social cues

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Frage 66 von 67

1

What is one disadvantage of Campbell and Murphy's study into exogenous zeitgebers (shining light pads on the back of knees)?

Wähle eine der folgenden:

May have had partial exposure to light in their eyes
The influence of demand characteristics was ignored
All participants had had the backs of their knees checked for sensitivity beforehand, so may not be able to generalise to the wider population

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Frage 67 von 67

1

Why might we say that the influence of exogenous zeitgebers is overstated?

Wähle eine der folgenden:

The blind still have 24-hour sleep/wake cycles despite social cues, and people in the Arctic still have 24-hour sleep/wake cycles despite near-constant sunlight
Endogenous pacemakers and exogenous zeitgebers can't function simultaneously, and there is stronger evidence for endogenous pacemakers
There is no human evidence for exogenous zeitgebers, only animal studies

	Erstellt von Grace Fawcitt vor mehr als 8 Jahre

AQA A Level Psychology: Biopsychology- This resource was created based on material in the textbook, and is only suitable for A Level students as it contains A Level content alongside the AS Level content.

Biopsychology- Quiz (A2)

Frage 1 von 67

Klicke und ziehe, um den Text zu vervollständigen.

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Frage 2 von 67

What is a gland?

Wähle eine der folgenden:

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Frage 3 von 67

How does the endocrine system differ from the nervous systems?

Wähle eine der folgenden:

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Frage 4 von 67

Which gland is considered the 'master gland', as it controls all other glands?

Wähle eine der folgenden:

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Frage 5 von 67

Label the process of the fight or flight response (starting at 1, ending at 5) with the correct letter.

Ziehe eine Antwort zum richtigen orangen Punkt.

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Frage 6 von 67

Label the neuron below.

Ziehe eine Antwort zum richtigen orangen Punkt.

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Frage 7 von 67

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

Sensory neurons: have long short( long, short ) dendrites and short long( short, long ) axons Motor neurons: have short long( short, long ) dendrites and long short( long, short ) axons Relay neurons: have short long( short, long ) dendrites and short long( short, long ) axons

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Frage 8 von 67

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

When in a resting state, the neuron is negatively positively( negatively, positively ) charged. Upon activation by a stimulus, it temporarily becomes positively negatively( positively, negatively ) charged, creating an action potential.

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Frage 9 von 67

Label the diagram of synaptic transmission.

Ziehe eine Antwort zum richtigen orangen Punkt.

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Frage 10 von 67

Messages between neurons are transmitted ❌ while messages within neurons are transmitted ❌.

Klicke und ziehe, um den Text zu vervollständigen.

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Frage 11 von 67

Which of the following is an excitatory neurotransmitter?

Wähle eine der folgenden:

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Frage 12 von 67

Which of the following is an inhibitory neurotransmitter?

Wähle eine der folgenden:

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Frage 13 von 67

What is the theory that opposes localisation of function?

Wähle eine der folgenden:

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Frage 14 von 67

Label the lobes and areas of the brain.

Ziehe eine Antwort zum richtigen orangen Punkt.

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Frage 15 von 67

Klicke und ziehe, um den Text zu vervollständigen.

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Frage 16 von 67

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

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Frage 17 von 67

Klicke und ziehe, um den Text zu vervollständigen.

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Frage 18 von 67

Plasticity During infancy, a child undergoes ❌ brain development- synaptic connections peak at ❌ at ❌ years old (❌) As we age, rarely used connections are deleted while frequently used ones are strengthened. This is known as ❌.

Klicke und ziehe, um den Text zu vervollständigen.

Erklärung

Frage 19 von 67

Which researcher investigated plasticity with relation to taxi drivers having more grey matter in the posterior hippocampus (linked to spatial memory) than a control group?

Wähle eine der folgenden:

Erklärung

Frage 20 von 67

Which researcher investigated plasticity with relation to medical students who had learning-induced changes in their posterior hippocampus and the parietal cortex 3 months after their exam?

Wähle eine der folgenden:

Erklärung

Frage 21 von 67

There are 3 structural changes that occur in the brain during functional recovery. Choose the 3 changes below.

Sensory neurons: have ( long, short ) dendrites and ( short, long ) axons
Motor neurons: have ( short, long ) dendrites and ( long, short ) axons
Relay neurons: have ( short, long ) dendrites and ( short, long ) axons

When in a resting state, the neuron is ( negatively, positively ) charged. Upon activation by a stimulus, it temporarily becomes ( positively, negatively ) charged, creating an action potential.

Plasticity

During infancy, a child undergoes ❌ brain development- synaptic connections peak at ❌ at ❌ years old (❌)
As we age, rarely used connections are deleted while frequently used ones are strengthened. This is known as ❌.

'Plasticity reduces with age before eventually stopping'

Is this statement true or false?

'The idea that the two hemispheres of the brain are functionally different and that certain mental processes are primarily processed by one side of the brain'

Which of the following does this describe?