week 8

Question 1

what are the 4 main regions of the brain

Answer 1

cerebrum, cerebellum, brainstem, diencephalon

Question 2

what is the cerebrum

Answer 2

largest brain region
connected by corpus callosum
surface layer cerebral cortex

Question 3

what happens at the cerebrum

Answer 3

site of conscious thought, sensation, intellect, memory, complex movements

Question 4

what are the lobes

Answer 4

frontal, parietal, temporal, occipital

Question 5

cerebrum hemispheres

Answer 5

Each hemisphere is mainly concerned with sensory and motor functions of the opposite side of the body

One side of the cerebrum has greater capacity to perform certain functions

Hemispheric dominance

Question 6

what is the diencephalon

Answer 6

Thalamus and hypothalamus

On top of the brainstem, enclosed by cerebral hemispheres

centre for drives and emotions, behaviour

Question 7

what is the thalamus

Answer 7

relay station for sensory impulses passing to cortex

Question 8

what is the hypothalamus

Answer 8

homeostasis

regulates autonomic function, body temp, fluid balance, hormone release

Question 9

what is the brainstem

Answer 9

midbrain, pons, medulla oblongata

reflex centres involved with vision and hearing

consciousness, sleep/wake cycles

autonomic control of the cardiovascular system

respiratory rhythm

convey ascending and descending information