Brain structure

Question 1

what are the Four functionally distinct lobes

Answer 1

1. Frontal lobe
2. Parietal lobe
3. Temporal lobe
4. Occipital lobe

Question 2

What does the Frontal lobe do

Answer 2

the governing body; does highest order processing; planning, execution and regulation of behaviour; abstract thought; personality/inhibitory control.

Question 3

What does the Parietal lobe do

Answer 3

somatic sensation and visuo-spatial representation

Question 4

What does the Temporal lobe do

Answer 4

auditory processing, memory, emotion, language comprehension

Question 5

What does the Occipital lobe do

Answer 5

visual processing

Question 6

What happens in Primary area of the lobes

Answer 6

High modal specificity

e.g. sound information received in organised layout

Question 7

What happens in Secondary area of the lobes

Answer 7

Perception or ‘gnosis’ occurs

e.g. hearing melody as a string of sounds

Question 8

What happens in Tertiary area of the lobes

Answer 8

Integrates information across sensory modalities
(and in the case of the frontal lobes, so much more!)
eg adding lyrics to a melody adds language

Question 9

What are the four well defined primary regions of the cortex and where are they

Answer 9

Primary area for sensing visual stimuli (within occipital lobe)
Primary area for sensing auditory stimuli (within temporal lobe)
Primary area for sensing somatosensory stimuli (within parietal lobe)
Primary motor cortex (within frontal lobe)

Question 10

how many sensory regions does the cortex have?

Answer 10

3 - visual/auditory/somatosensory

Question 11

How is the cortex organised topographically

Answer 11

Medial part of cortex responsible for distal parts of the body.
As we move out laterally along the cortex, it represents parts of the body that are closer and closer to the head.
So moving medial to lateral along the cortex we go: toes, feet, ankle, knee, hip, trunk, shoulders, elbow wrist, hand, each finger, neck, face, lips, jaw tongue etc.