The brain

The brain

What is the cerebrum

• Controls conscious thought, emotional responses and memory

• Overrides some reflexes

• Intelligence, reasoning and judgement

• Highly convoluted which increases SA

• Split into left and right cerebral hemispheres controlling opposite sides

What are the 4 lobes of the cerebrum

• Frontal lobe- decision making, speech and planning

• Parietal lobe- sensory

• Temporal lobe- auditory

• Occipital lobe- vision

What is the cerebellum

Unconscious control such as posture, balance and movement

What is the medulla oblongata

• Controls key systems in the autonomic NS such as breathing, heart rate etc

• Damage to medulla oblongata leads to paralysis

What is the hypothalamus

Has a role in autonomic control especially homeostatic mechanisms

What is the pituitary gland

• At the base of hypothalamus

• Anterior pituitary gland produces 6 hormones such as FSH

• Posterior pituitary gland stores and releases hormones made in hypothalamus

What two types of strokes are there

• Ischemic stroke- blood clot blocks blood flow to part of brain

• Haemorrhagic stroke- artery ruptures causing bleeding around the brain