Localisation of function Flashcards
what is the theory of localisation?
specific parts of the brain control specific aspects of brain function
what is the holistic theory?
suggests that all parts of the brain are involved in processing thought and action
what is the cerebral cortex?
- outer layer of brain
- higher cognitive functions take place in areas of cortex
what is the limbic system?
- controls emotions, behaviour, memory
- contains hippocampus, hypothalamus, amygdala
what is the cerebellum?
responsible for
- coordination
- balance
- movement
what is the brainstem?
controls autonomic functions and reflexive responses
what does lateralisation mean?
some psychological functions are dominated by a particular hemisphere ie the left is for language
what is contralateral control?
- where the left side of the body is controlled by the right hemisphere.
- right side of body is controlled by the left hemisphere.
what is the corpus callosum?
a bundle of fibres connecting left and right hempisheres
what is the frontal lobe responsible for?
- voluntary movements
- personality
- decision making
- judgement
what is the parietal lobe responsible for?
- sensory perception
- hearing
- sight
- touch
what is the occipital lobe responsible for?
- visuospatial processing
- recognition
- memory formation
what is the temporal lobe responsible for?
- interpreting sounds
- recognising and using language
what is the motor area responsible for + where is it?
frontal lobe
- controls voluntary movements in opposite side of body
what can happen if there is damage to motor area?
loss of control over movements
what is the somatosensory area + where is it?
parietal lobe
- sensory info from skin is represented, face and hands occupy over half of area
what can happen if there is damage to the somatosensory area?
sensory issues like numbness or tingling
what is the visual area and where is it?
occipital lobe
- each eye sends info from right visual field to left visual field
- info from left visual field to right visual field
what can happen if there is damage to the visual area?
vision affected
what is the auditory area and where is it?
temporal lobe
- analyses speech based info
what can happen if there is damage to the auditory area?
affect ability to comprehend language
where are the language areas?
in the left side of the brain
what is Broca’s area responsible for and where is it located?
back of frontal lobe
- speech production
what happens if there is damage to Broca’s area?
Broca’s aphasia- limited speech production so speech lacks fluency. his patient Tan could only say ‘tan’
