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Psychology Unit 1 > Chapter 4 > Flashcards

Chapter 4 Flashcards

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1
Q

1.4.1 cerbral cortex

What is the difference between a gyrus and a sulcus?

A

A gyrus is a bump in the brain a sulcus is a groove

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2
Q

1.4.1 cerbral cortex

What is the cerbral Cortex?

A

The cerebral cortex is the brain’s outer layer of gray matter. It consists of four main lobes

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3
Q

1.4.1 cerbral cortex

What are the four main lobes comprising the cerebral cortex?

A
  • frontal lobe
  • pariental lobe
  • temporal lobe
  • occipital lobe
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4
Q

1.4.1 cerbral cortex

What functions are associated with the frontal lobes?

A
  • reasoning
  • planning
  • parts of speech
  • movement
  • problem solving
  • decisionmaking
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5
Q

1.4.1 cerbral cortex

What functions are associated with the pariental lobe?

A
  • movement
  • orientation
  • recognition
  • perception of stimuli
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6
Q

1.4.1 cerbral cortex

What functions are associated with the temporal lobe?

A
  • auditory functions (perception/recognition)
  • memory
  • speech
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7
Q

1.4.1 cerbral cortex

What function is associated with the occipital lobe?

A
  • visual processing
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8
Q

1.4.2 Brain stem

What are the two main componts of the brain stem?

A
  • midbrain
  • hindbrain
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9
Q

1.4.2 Brain stem

What are the main components of the hindbrain?

A
  • medulla
  • pons
  • cerebellum
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10
Q

1.4.2 Brain stem

What are functions of the pons?

A
  • bladder control
  • eye movement
  • facial expressions
  • hearing
  • posture
  • respiration
  • sleep
  • swallowing
  • taste
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11
Q

1.4.2 Brain stem

What are some functions associated with the medulla?

A
  • breathing
  • blood pressure
  • heart rate
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12
Q

1.4.2 Brain stem

What are some functions associated with the cerebellum?

A
  • fine motor control
  • balence and equilibrium
  • muscle tone
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13
Q

1.4.2 Brain stem

What are some functions associated with the limbic system?

A
  • emotion
  • behaviour
  • motivation
  • long-term memory
  • olfaction (smell)
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14
Q

1.4.2 Brain stem

What are the main components of the fore brain?

A

hypothalamus
thalamus
cerebrum

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15
Q

1.4.2 Brain stem

Overall what does the hind brain control?

A
  • breating
  • heart rate
  • digestion
  • sleep
  • hearing
  • bladder control
  • respiration
  • motor control
  • balence
  • posture
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16
Q

1.4.2 Brain stem

Overall what does the forebrain control?

A
  • regulate contiousness/sleep/alertness
  • maintains homeostasis
17
Q

1.4.2 Brain stem

What are the functions of the cerebrum?

A
  • divided into LHS and RHS high order thinking
18
Q

1.4.2 Brain stem

What are the functions of the thalamus?

A
  • sends signals to cerebrum
  • regulates contiousness/sleep/alertness
19
Q

1.4.2 Brain stem

What are the functions of the hypothalamus?

A
  • maintains homeostasis (neutral state)
    (sleep/temp/hunger/thirst/emotional responses)
20
Q

1.4.2 Brain stem

What are the functions of the midbrain?

A
  • relay system (transmitting information necessary for vision and hearing)
  • motor movement
  • pain
  • sleep/wake cycle.
  • reward/pleasure seekinh behaviours
  • eye movements
21
Q

1.4.3 LHS vs RHS brain specialisation

What is the split brain experiment?

A

split-brain patients were situated behind a screen with a black dot in the centre on which they focused their eyes. Words and objects were then projected on either the left or right side of the dot. It was known that vision is processed contralaterally, meaning that words and objects in the left visual field are sent to the right side of the brain for processing and vice versa

patients who had undergone ‘split-brain surgery’, meaning they had had their left and right brain hemispheres separated by cutting the nervous tissue that connected them, known as the corpus callosum under went the split brain experiment

22
Q

1.4.3 LHS vs RHS brain specialisation

What were the findings of the split brain exepriment?

A
  • The left hemisphere is responsible for the organisation of language expression
    and comprehension.
  • The right hemisphere is involved in language comprehension to some degree, but the left
    hemisphere is dominant in its expression.

Psychology Unit 1 (6 decks)

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