Biological Behaviour Flashcards

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1
Q

how does aging occur

A

telomere degredation

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2
Q

what does the hypothalamus do

A

major regulatory centre releases tropic hormones CRF, TRH, GnRH
bridge between nervous and endocrine system

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3
Q

what hormones does the posterior pituitary release

A

ADH and oxytocin

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4
Q

what hormones does anterior pituitary release

A
FLAT PiG
FSH
LH
ACTH
TSH
PROLACTIC
GH
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5
Q

oxytocin role in psych

A

bonding empathy and trust

think cuddle hormone

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6
Q

prolactin hormone in psych

A

post partum depression

lactation

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7
Q

which hormones regulate hunger

A

leptin
ghrelin
neuropeptide Y

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8
Q

chronic stress hormone

A

cortisol

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9
Q

hormone for metabolic rate and neural development

A

thyroid hormone

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10
Q

brain imaging of function only

A

EEG

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11
Q

brain imaging of structure only

A

CT

MRI

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12
Q

brain imaging of structure and function

A

PET (glucose)

fMRI

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13
Q

difference between MRI and CT

A

CT exposes to X-rays but is must less costly

MRI better at imaging soft structures but more time consuming

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14
Q

how does PET scan work

A

radio labelled glucose emits positrons as it decays

when glucose decays more activity is happening in the brain

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15
Q

how does a functional MRI work

A

magnetic properties of oxygenated and deoxygenated hemoglobin to look at blood flow

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16
Q

cerebellum is for

A

coordinated movement

17
Q

medulla oblongata does what

A

controls autonomic functions like breathing blood pressure heart rate

18
Q

what does pons do

A

relationship station for signals

19
Q

substantia nigra

A

neurons that communicate using dopamine to coordinate voluntary movements
ex parkinsons

20
Q

inferior colliculi

A

auditory input

21
Q

superior colliculi

A

visual input

22
Q

limbic system is what and located where

A

various structures involved in emotion memory and motivation

the subcortical structures in the cerebrum

23
Q

amygdala

A

episodic memory attention and emotion

24
Q

nucleus accumbens

A

reward motivation and learning

implicated in addiction

25
Q

which is the lobe responsible for adulting

A

frontal lobe

26
Q

parietal lobe

A

sensory processing but not vision that’s the occipital lobe

27
Q

temporal lobe

A

visual memories and attaching meaning to info

28
Q

wernickes vs brocas area

A

wernickes - language comprehension

brocas - speaking

29
Q

moro reflex

A

startle reflex for babies

30
Q

babinski reflex

A

stroke bottom of a baby foot and the big toe bends up and other toes fan
healthy adults curl down

31
Q

describe the hindbrain

A

cerebellum

also has medulla oblongata and pons

32
Q

describe the midbrain

A

fine motor control , temp, sleeping and waking

colliculi

33
Q

describe the forebrain

A

for understanding behaviour

has the hypothalamus and thalamus