Biological PSY wk 3 Flashcards

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1
Q

What do the Sensory Neurones do?

and where is it located?

A

Send a message from the brain to the body, (Eg. Temp, pressure, pain)
Location : dorsal spine

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2
Q

What do the Motor Neurones do?

and where is it located?

A

Send messages from the brain to the body, (Eg. Actions, changes in organ function)
Location: Ventral Spine

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3
Q

What do Interneurons do?

A

Connect sensory and motor Neurones at the spinal level, allowing reflexive movement

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4
Q

What does the Brain stem comprised of?

A

mid-brain, pons, medulla and RAS

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5
Q

what is the cerebellum also known as?

A

The little brain

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6
Q

What does the cerebellum do?

A

gives people; balance, motor coordination, learning and motor skills

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7
Q

what are cerebral Ventricles?

A

cavities within the brain that contain cerebrospinal fluid,

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8
Q

What does cerebrospinal fluid do?

A

Nourishes and protects the central nervous system

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9
Q

What are the 2 main purposes of the Brain stem?

A

1- Connects the brain and spinal cord 2- Regulates bodily functions

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10
Q

what are the 4 key functions in the brain stem?

A

1- pons
2-Medulla
3-Mid- brain
4-Reticular activating system (RAS)

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11
Q

What does the pons do?

A

connects cortext to cerebellum

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12
Q

what does the medulla control?

A

Respiration, heart rate and sleep/wake patterns

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13
Q

what does the mid-brain control?

A

Movement control, orienting to sensory stimuli

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14
Q

what does the RAS control?

A

continuousness an arousal

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15
Q

if an individual was classified as brain dead, which of the four key functions would not be working?

A

All.

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16
Q

What is the largest most complex region of the brain?

A

Forebrain

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17
Q

What is the two main things the Forebrain is comprised of

A

1 - cerebral cortext

2- subcortical structures

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18
Q

What is the left and right cerebral hemispheres connected by, that allows the two hemispheres to share information

A

corpus callosum

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19
Q

what is the lymbic system?

A

interconnects brain regions, involved in emotional processing, basic drives, control of the autonomic nervous system, learning & memory and smell.

(ALSO 1 OUT 2 KEY SUBCORTICAL STRUCTURES)

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20
Q

what are the 4 key things that the lymbic system is made up of?

A

Thalamus, hypothalamus, Amygdala, Hippocampus

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21
Q

what does the thalamus do?

A

Receives/transfers incoming sensory information to the cortext (relay station)

22
Q

what does the hypothalamus do?

A

regulates autonomic nervous system and endocrine system

23
Q

what does the amygdala do?

A

learning, recognising and responding to emotion (in particular fear)

24
Q

what does the hippocampus do?

A

encoding of new long term memories, spatial memories

25
Q

What is the Basal Ganglia?

A

it is 1 out of 2 subcortical structures, it is in control of movement

26
Q

If an individual was addicted to drugs, what area of the brain is activated?

A

The basal Ganglia

27
Q

what are the 4 lobes of the cortext?

A

1-frontal,
2-temporal,
3- parietal ,
4- occipital

28
Q

4 main functions within the frontal lobe

A

1- pre frontal cortext
2- executive function
3- Broca’s area
4- motor cortext

29
Q

what is the pre frontal lobe function?

A

Associates with personality, mood and memory

30
Q

What is the executive function?

A

Decision making, problem solving, reasoning, self awareness and self control

31
Q

what is the functions of Broca’s area

A

speech production, which is typically left hemisphere

32
Q

what is the functions of the motor cortext?

A

programming and execution of movement

33
Q

If there was damage to the frontal lobe, what would happen?

A

Executive function deficits. (Eg. loss in motivation, inability to plan, social inappropriateness, reduced flexibility within thinking)

34
Q

what is the parietal lobe responsible for?

A

The processing of somatic sensations and perceptions.

35
Q

what is the main function of the parietal lobe?

A

somatosensory cortext

36
Q

What does the somatosensory cortext do?

A

Registers tactile sensations within the body (Eg, temp, pain, pressure)

37
Q

what would happen if there was damage to the parietal lobe?

A

Left and right confusion, problems integration sensory information and visuo - spatial and constructional problems

38
Q

what is the temporal lobe responsible for?

A

Processing auditory information (hearing)

39
Q

what 3 main functions used in the temporal lobe?

A

1- Primary Auditory cortext,
2- auditory association cortext
3- Wernicke’s area

40
Q

what does the Primary Auditory cortext do?

A

receives incoming sound, analyses frequency and tone

41
Q

What does the auditory association cortext do?

A

applies meaning to sound

42
Q

What does Wernickes area do?

A

language comprehension (typically left hemisphere)

43
Q

if you were to damage your temporal lobe, what would happen?

A

auditory problems, impaired language and poor memory

44
Q

what is the occipital lobe responsible for?

A

vision

45
Q

2 main functions of the occipital lobe?

A

1- Primary visual cortext

2- visual association cortext

46
Q

What does the primary visual cortext do?

A

receives visual information from the eyes

47
Q

what does the visual association cortext do?

A

analyses visual data to form an image

48
Q

if there was damage to the occipital lobe, what would happen?

A

You’d go blind, have trouble with your vision.

49
Q

what happens with split brain surgery?

A

the brain cannot share info with both hemispheres

50
Q

what is an effect on split brain surgery?

A

info in the RVF (right visual field) can be verbally described by left hemisphere