1486880
Description
Flashcards by Calla Fraser, updated more than 1 year ago
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Created by Calla Fraser
about 12 years ago
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| Question | Answer |
| What happens if the Corpus Callosum is severed? Give one example | Person appears normal and deficits are noticed when they are tested under experimental conditions. Objects presented to left cannot be named as image goes to right hemisphere. |
| What is the Corpus Callosum | A band of fibers connecting the left and right hemisphere of the human brain |
| Why is the corpus callosum sometimes severed? | It is severed in cases of severe epilepsy that cannot be controlled by medication. |
| Why is the brain convoluted in appearance? | If tissue of cerebral cortex laid out flat would take about 2-3 square metres. Brain tissue is folded in on itself in a series of convolutions to enable brain to fit inside small space of skull. |
| Convolutions in the brain give us? | greater cognitive power as humans. |
| How many lobes in the brain? | 4 |
| Parietal lobe disorders (Damage to sensory cortex) results in deficits of.. | Perception and cognition not simple sensory disturbances. |
| Damage to sensory cortex can lead to problems with (3) | Spatial locations for objects memory for location map reading |
| Hemineglect | Person cannot attend to stimuli presented to side of space opposite the brain lesion |
| Left hemisphere | Language tasks |
| Right hemisphere | Spatial awareness |
| Cerebellum | Balance and co-ordination |
| Occipital lobe disorder | Motion Blind Prosopagnosia- Ability to recognize familiar faces Visual agnosia- the inability to recognise familiar objects |
| Do equal areas of the body receive equal cortical space? | No. |
| Temporal lobe Functions (3) | Audition Understanding Language Memory |
| Temporal lobe disorders? | Wernicke's Aphasia -People cannot understand what they hear. -Speak Fluently. -Speech has no meaning. |
| Frontal lobes | -Uniquely human -Not fully developed until age 25 -Speech production |
| Broca's Aphasia? | Person can understand speech but cannot produce speech. Person understands something is wrong with them. |
| Frontal lobe | Reasoning, planning, parts of speech, movement, emotions, problem solving |
| Parietal lobe | touch pressure temperature pain texture |
| Temporal lobe | Perception of auditory stimuli. Memory (hippocampus) |
| Occipital lobe | Sight |
| Cerebellum | Balance, co-ordination, skilled motor-activity |
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