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Psychology SL IB 2020-22 > 2a. Localization > Flashcards

2a. Localization Flashcards

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1
Q

3 assumptions

A
  1. There are biological correlates of human behaviour (eg. neurotransmitters, hormones)
  2. Behaviour can be genetically inherited (genome)
  3. Animal research can provide insight
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2
Q

Localization of function

A

Idea that every behaviour is associated with a specific brain region

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3
Q

What is nervous system?

A

System of neurons

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4
Q

Central nervous system

A

Brain + spinal cord

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5
Q

Major parts of brain

A

Cortex, cerebellum, limbic system, brain stem

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6
Q

What side of the body does the left and right hemisphere control?

A

Right controls left and vice-versa

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7
Q

Cortex

A

Layer of neurons with folded surface covering brain outside. Associated with higher order functions

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8
Q

4 lobes of cerebrum

A

Frontal, parietal, temporal and occipital

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9
Q

Frontal lobe

A

Higher order thinking, reasoning, decision-making, emotions, voluntary actions, planning

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10
Q

Parietal lobe

A

Perception, movement, orientation, recognition

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11
Q

Occipital lobe

A

Visual processing

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12
Q

Temporal lobe

A

Processing auditory information, memory and speech

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13
Q

Some parts of limbic system

A
  • Thalamus: Sensory
  • Hypothalamus: Hunger, emotion
  • Amygdala: Memory and fear
  • Hippocampus: Memory, spatial orientation
  • Basal ganglia
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14
Q

Cerebellum

A

Little brain that is associated with coordination of movement and balance

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15
Q

Brain stem

A

Underneath limbic system. Regulates vital processes like breathing and heartbeat.

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16
Q

Tan: Disability

A

Developed gangrene, lost ability to speak. Could only pronounce Tan

17
Q

Broca’s aphasia

A

Loss of articulated speech

18
Q

Tan: Autopsy of brain results

A

Showed lesion in frontal area of left hemisphere

19
Q

When did Broca come to conclusion about function of frontal lobe?

A

After studying around 25 other people, he asserted that left frontal lobe was responsible for speech articulation

20
Q

Wernicke’s aphasia

A

General impairment of language but speech is intact. They sound fluent but what they say may be meaningless or out of context

Psychology SL IB 2020-22 (10 decks)

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