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BMS109 Neuroscience > Eating Behaviour > Flashcards

Eating Behaviour Flashcards

1
Q

What model is used to model motivation

A

WC

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2
Q

Describe catabolism

A

use of energy in biological processes

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3
Q

Describe anabolism

A

storage of energy put into a system

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4
Q

What was the effect of bilateral lesions in lateral hypothalamus

A

weight loss

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5
Q

What was the effect of lesions in ventromedial part of hypothalamus

A

overeating, obesity

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6
Q

What is the function of the venteromedial hyothalamus

A

satiety centre

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7
Q

What did Kennedy propose

A

long term feeding regulation

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8
Q

What did Coleman propose

A

soluble factor is released by fat

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9
Q

What produces leptin

A

fat

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10
Q

What is leptin

A

hormone

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11
Q

What is the effect of Leptin?

A

decrease eating behaviour, increase energy expenditure

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12
Q

How does starvation affect leptin

A

Leptin is deficient - stimulates eating

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13
Q

What is the effect of leptin deficiency

A

reduces energy expenditure, reduces reproductive competence

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14
Q

What do high levels of leptin act on

A

receptors in arcuate nucleus of hypothalamus

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15
Q

When is Gherelin produced

A

empty stomach

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16
Q

What is gherelin

A

hormone

17
Q

Where is Gherelin released into

A

bloodstream

18
Q

What does Gherelin stimulate

A

NY and AgRP release, feeding

19
Q

What are the other aspects of feeding

A

hedonistic motivation, mood

20
Q

What can anorexia and bulimia be linked to

A

low serotonin and mood

21
Q

What is the long term regulation of feeding

A

leptin

22
Q

What regulates feeding short term?

A

Gherelin, cultural pressures

23
Q

What short term signals regulate feeding

A

satiety

24
Q

When are satiety signals produced

A

initial stages of digestion

25
Q

When is feeding terminate

A

full

26
Q

What signals cause satiety signals to decline

A

orexigenic signals

27
Q

What neurotransmitters are located on arcuate nucleus

A

alpha-MSH, CART

28
Q

Where do neurons of long term feeding project to

A

lower brain, brainstem, spinal cord, nucleus n lateral hypothalamus

29
Q

What is the effect of leptin of the paraventricular nucleus of the hypothalamus

A

release TSH and ACTH from anterior pituitary gland

30
Q

What is the effect of TSH and ACTH

A

increases basal metabolic rate

31
Q

What do orexic peptides inhibit

A

thyroid stimulating hormone, ACTH secretion

32
Q

Whta do orexic peptides activate

A

parasympathetic nervous system

BMS109 Neuroscience (22 decks)

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