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Slide 1

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Key Assumptions of the
Biological Approach

Slide 2

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The Central Nervous System…read more

Slide 3

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The Central Nervous System (CSN)
Consists of the brain and the spinal cord
Different areas of the brain are specialised for different
STARTUM-important to control movements + thinking
HIPPOCAMPUS-short term memory
CORPUS CALLOSUM-connects the two hemispheres of
the brain
Brain lateralisation + sex differentiation
AMYGDALA-emotions and aggression
HYPOTHALAMUS-regulating eating and drinking and
motivated behaviours
HEMISPHERES-brain lateralisation…read more

Slide 4

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Different areas of the brain:…read more

Slide 5

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Neurotransmitters-Function and Structure
Chemical messengers that act between neurones in
the brain
Brain can process thoughts +memories
Neurones receive + transmit messages from cell
One end=DENDRITES-finger like structures
surrounding the nucleus
Other end=AXON-long extension that ends with an

Slide 6

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Neurotransmitters-How they work
Axon terminal of one
neurone and dendrites of
another neurone meet
This forms a SYNAPSE
The dendrites have
receptors to receive the
The receptor has s
specific shape to the
neurotransmitter + if not
the right shape the signal
is blocked…read more

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Slide 9

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