Biological Bases of Behaviour Flashcards

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1
Q

Primary function of the nervous system

A

senses - process information - triggers reaction

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2
Q

Primary function of a neuron?

A

transfer info within N.S - receive, process, transmit

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3
Q

What is a sensory neuron?

A

transmit info from sensory receptors to the brain

AFFERENT

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4
Q

What is a motor neuron?

A

transmit commands from brain to muscles/glands

EFFERENT

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5
Q

What is an interneuron?

A

interconnect sensory and motor neurons

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6
Q

Function of the thyroid gland

A

growth, metabolism, energy levels, mood

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7
Q

Function of the adrenal glands

A

adrenaline - emergencies/threat

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8
Q

Pancreas

A

blood-sugar levels

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9
Q

What makes up the nervous system

A

CNS - brain, spinal cord, nerves

PNS - sensory neurons, ganglia (cluster of neurons)

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10
Q

What is the autonomic NS?

A

involuntary - body processes; BP, breathing

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11
Q

What is the somatic system?

A

voluntary - nerves that connect brain/spinal cord to muscles and sensory receptors

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12
Q

What is the endocrine system?

A

glands that release hormones into the blood - activate cells in the body

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13
Q

What are mirror neurons?

A

action perception, imitative behaviour, understanding and perceiving actions
social interactions + personal relationships

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14
Q

Types of neurotramsitters

A

(nora)Adrenaline, GABA, endorphins, glutamate, dopamine, serotonin

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15
Q

Process of a nerve pulse

A

action potential = release of neurotransmitters

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16
Q

Action potential

A

resting potential - depolarisation - firing threshold - action potential
+40mV

17
Q

Dendrite

A

receive info from neurons / inputs

18
Q

Soma/nucleus/cell body

A

‘brains’ of neuron

19
Q

Myelin sheath

A

facilitates transmission, insulates nerve cell

20
Q

Synapse

A

place of transmission - gap between axon terminal and dendrite

21
Q

Terminal button

A

end of axon

22
Q

Axon

A

carries info to other neurons

23
Q

What is behavioural genetics?

A

influence of genes on biological function

24
Q

Define heritability

A

variations in a trait across people that can be accounted for

25
Q

Define genes

A

unit of hereditary transmission, encoded in the DNA

26
Q

Define genotypes and phenotypes

A

G - genetic blueprints

P = observable qualities

27
Q

what is the probability of sharing genes?

A

degree of relatedness