Test
Chapter 4: Sensing the Environment
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Preguntas del test (21)
1[blank_start]Sensation[blank_end] refers to the process by which sense organs gather information about the environment and transmit it into the brain for initial processing.
- ASensation
2[blank_start]Perception[blank_end] refers to the closely related process by which the brain selects, organizes, and interprets sensations.
- APerception
3Psychophysics studies the relationship between
- Athe physical world
- Bpsychological experiences
- Cphysics and psychology
- Dpsychological and physical science
4Specialized cells that all sensory systems contain are called [blank_start]sensory receptors[blank_end].
- Asensory receptors
5Sensory cells
- Arespond to environmental stimuli
- Btell your body that danger is coming because they know what you are seeing and hearing
- Ctypically generate action potentials in adjacent sensory neurons
- Dtake energy from the environment and turn it into neural impulses that are sent to the brain
6Within each sensory modality, the brain codes sensory stimulation for
- Aintensity
- Bperception
- Cquality
- Demotion
7The common features of the senses are that they
- Amust translate physical information into sensory signals
- Ball have thresholds below which a person does not sense anything
- Crequire constant decision making (mostly unconscious)
- Dare able to detect changes in the environment
- Eallow the body to adapt to light various noises in the room
- Ftell the body to move when a car is coming
- Gmake it easier for you to see in the dark
8The absolute threshold refers to the maximum amount of physical energy (stimulation) needed for an observer to notice a stimulus.
- AVerdadero
- BFalso
9[blank_start]Vision[blank_end] A candle flame 30 miles away on a dark, clear night.
[blank_start]Hearing[blank_end] A watch ticking 20 feed away in a quite place
[blank_start]Smell[blank_end] A drop of perfume in a six-room house
[blank_start]Taste[blank_end] A teaspoon of sugar in 2 gallons of water
[blank_start]Touch[blank_end] A wing of a fly falling on the chichi from a height of a centimeter- AVision
- BHearing
- CSmell
- DTaste
- ETouch
10[blank_start]Difference threshold[blank_end] refers to the lowest level of stimulation required to sense that a change in stimulus has occurred.
- ADifference threshold
11[blank_start]Just noticeable difference[blank_end] is the smallest difference in intensity between two stimuli that a person can detect.
- AJust noticeable difference
12JND explained in relation to a stimulus can be shown as
- Amore intense existing stimulus needs a larger change
- Bmore intense existing stimulus needs a smaller change
- Cless intense existing stimulus needs no change
- Dmore intense existing stimulus needs the same amount of change
13This law states that regardless of the magnitude of two stimuli, the second must differ by a constant proportion from the first for it to be perceived as different.
- AFechner's Law
- BWeber's Law
- CSteven's Power Law
- DThe law of perception
14This law holds that the physical magnitude of a stimulus grows logarithmically as the subjective experience of intensity grows arithmetically... So people subjectively experience only a small percentage of actual increases in stimulus intensity.
- ASteven's Power Law
- BFechner's law
- CWeber's Law
- DThe law of sensory perception
15This law states that subjective intensity grows as a proportion of the actual intensity raised to some power... So sensation increases in a linear fashion as actual intensity grows exponentially.
- AWeber's Law
- BFechner's Law
- CSteven's Power Law
- DThe law of adaptation
16[blank_start]Sensory adaptation[blank_end] is the tendency of sensory systems to respond less to stimuli that continue without change.
- ASensory adaptation
17An example of Weber's law is that if you are holding a 50 lb bag it only takes one pound to be perceived as different. If you are holding a 100 lb bag it only takes 2lb. So 1:50 ratio.
- AVerdadero
- BFalso
18An example of Steven's power law is that if there is more pain, there is less addition intensity required for a JND.
- AVerdadero
- BFalso
19An example of Fechner's law is your ears adapting at a concert or the eyes to the lighting from the sunlight to the lighting in a movie theatre.
- AVerdadero
- BFalso
20The three basic principles that apply across all of the senses are:
- ANo one to one correspondence between physical and psychological reality
- BThey are active, not passive
- CThey are adaptive
- DThey are passive, not active
- EThey have a known correspondence between physical and psychological reality
21The process of converting physical energy or stimulus information into neural impulses is called [blank_start]transduction[blank_end].
- Atransduction
Información
- Descripción
- College (Exam 2) Psych 100 Test sobre Chapter 4: Sensing the Environment, creado por Bekahneu el 30/09/2015.
- Autor
- Bekahneu
- Idioma
- English
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