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PSYCH 1XX3 > Neuroscience 2 > Flashcards

Neuroscience 2 Flashcards

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1
Q

Neuraxis standing upright

A

back: dorsal
Bottom: caudal
Frint: ventral

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2
Q

Neuraxis curved

A

front: rostral
back: caudal
top: dorsal
bottom: ventral

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3
Q

induced lesion study

A

human brain lesions are rarely isolated to a specific structure, but animals brain lesions can be studied

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4
Q

stimulation and observation

A

electrically stimulate an area of the brain, Often used on epileptic patients

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5
Q

single cell recording

A

electrodes used to insert into nervous tissue, neural activity recorded

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6
Q

CT scan

A
  • structural imaging
  • relatively quick and inexpensive
  • low resolution
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7
Q

MRI

A
  • structural imaging
  • precise and detailed image
  • aligns H+ ions
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8
Q

PET Scan

A
  • functional imaging
  • invasive
  • use of radioactive materials
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9
Q

fMRI

A
  • function imaging
  • non-invasive
  • looks at brain O2 use
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10
Q

EEG & ERP

A
  • functional imaging

- through a cap on the scalp

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11
Q

Hind Brain

A
  • made up of te medulla, pons, reticular formation and cerebellum
  • relas info to cerebellum
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12
Q

medulla

A

regulates vital body functions

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13
Q

pons

A

relays info about movement

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14
Q

reticular formation

A

posture and balacnce

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15
Q

cerebellum

A

coordinates movement

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16
Q

Midbrain

A

made up of the tectum and tegmentum

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17
Q

tectum

A
  • superior colliculus: eye movement and visual reflexes

- inferior colliculus: auditory integration

18
Q

tegmentum

A
  • red nucleus: motor control

- substantia nigra: reward related behaviour

19
Q

Forebrain

A

made up of the hypothalmus, pituitary gland, thalmus, amygdala and hippocampus

20
Q

hypothalmus

A

fight, flight, feeding, reproduction

21
Q

pitutitary gland

A

anterior: recieves signals from hypothalmus
posterior: releases oxytocin and vasopressin (regulates thirst, uterine contractions, lactation)

22
Q

thalmus

A

processes and relays info to selective areas of the cerebral cortex

23
Q

amygdala

A

fear response

24
Q

hippocampus

A

memory, ability to navigate

25
Q

Cerebral cortex

A

made up of 4 parts occipital lobe, temporal lobe, parietal lobe, frontal lobe

26
Q

how do we increase surface area

A

gyri and sulci

27
Q

deep grooves to divide areas

A

fissures

28
Q

occipital lobe

A

basic visual processing

29
Q

temporal lobe

A

higher visual processing

basic auditory processing

30
Q

parietal lobe

A

processing touch
spatioal representation
homonculus

31
Q

homonculus

A

area associates with more sensory or movement is assignemed more of parietal lobe (finger tips)

32
Q

frontal lobe

A

decision making

motor control

33
Q

symmetry

A

many structures exist on both sides of the brain

34
Q

asymmetry

A

functions specializing on one side of brain

35
Q

brocas area

A

left side

production of speech

36
Q

Wernicke’s area

A

left side

comprehension of speech

37
Q

corpus collosum

A

send info between 2 hemispheres

38
Q

split brain syndrome

A

unable to communicate between 2 hemispheres

39
Q

Left brain lateralization

A
  • words and letters
  • language sounds
  • verbal memory
  • speech and grammar rules
40
Q

Right brain lateralization

A
  • geometric shapes and patterns
  • faces
  • non language cues
  • non verbal memory
  • sense of direction
41
Q

theory of mind

A

the ability to attribute mental states and understand that others beliefs may be different than our own

42
Q

phantom limb

A

lost a limb but still experience sensation ther

treat with mirrir box or addapting inanimate object as own

PSYCH 1XX3 (11 decks)

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