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Intro to psych > 2- Brain and behaviour > Flashcards

2- Brain and behaviour Flashcards

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1
Q

Biological psychology

A

Scientific study of the biology of behaviour

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2
Q

Neuroanatomy

A

Structure of the brain

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3
Q

Neurophysiology

A

how the brain works

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4
Q

What are the 2 divisions of the nervous system?

A
  1. Central nervous system
  2. Peripheral nervous system
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5
Q

What is the CNS made up of?

A
  • Brain
  • Spinal cord
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6
Q

What is the general name for the 2 halves of the brain?

A

Cerebral hemispheres

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7
Q

What connects the 2 hemispheres?

A

Corpus callosum

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8
Q

What is the left hemisphere for?

A

Speech
Controls right side of the body

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9
Q

What is the right hemisphere for?

A

Spatially dominant
Controls left side of the body

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10
Q

What is contralateral control?

A

Left side of the brain controls the right side of the body, right side controls the left

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11
Q

What are the 4 lobes in the brain?

A
  • Frontal
  • Parietal
  • Temporal
  • Occipital
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12
Q

What is the role of the frontal lobe?

A
  • Takes info from all lobes
  • Integrates information
  • Plans actions
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13
Q

What is the role of the parietal lobe?

A

Interprets sensory information

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14
Q

What is the role of the temporal lobe?

A
  • Interprets emotion
  • Storage of memory
  • The motosensory homunculus
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15
Q

What is the role of the occipital lobe?

A

Vision

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16
Q

What are the divisions of the peripheral nervous system?

A
  1. Somatic nervous system
  2. Autonomic nervous system
17
Q

What are afferents?

A

Sensory signals moving towards CNS

18
Q

What are efferents?

A

Motor signals moving from the CNS to muscles etc

19
Q

What is the somatic nervous system?

A
  • Interacts with environment
  • Gathers sensory info
  • Sends info to CNS via afferents
  • Efferents send signals to muscles
20
Q

What is the autonomic nervous system?

A
  • Regulates body internal environment
  • Heart rate, body temperature, digestion
  • Afferents carry sensory signals from internal organs
  • E.g. if we get cold the afferents will send that information to CNS. Body can do things to warm itself up such as shivering and goosebumps
  • Sympathetic nerves get body ready for fight or flight
  • Parasympathetic nerves act to conserve energy
21
Q

What is the sympathetic nervous system for?

A

Gets body ready for fight or flight

22
Q

What is the parasympathetic nervous system for?

A

Returns the body to a normal state after fight or flight

23
Q

In what way do neurons communicate?

A

Electrochemically

24
Q

What charge does a neuron have?

A

-70mV (the resting potential)

25
Q

What is the charge due to?

A

An imbalance of positively and negatively charged particles

26
Q

What does polarised mean?

A

In the resting potential state.
This means that there is a difference in charge inside and outside of the neuron.

27
Q

What are the 4 structural divisions within neurons?

A

Input zone: post-synaptic membrane
Integration zone: cell body and axon hillock
Conduction zone: the axon
Output zone: presynaptic membrane

28
Q

What psychological disorders involve neurotrtansmitters?

A
  • Depression
  • Bipolar
  • SAD
29
Q

What prevents reuptake?

A

SSRIs

30
Q

How do SSRIs work?

A

They prevent reuptake meaning that the serotonin stays in the cleft longer so it has more of a chance to bind with the receptor site.

30
Q

How do SSRIs work?

A

They prevent reuptake meaning that the serotonin stays in the cleft longer so it has more of a chance to bind with the receptor site.

Intro to psych (11 decks)

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