Chapter 12 pt.1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Free will doesn’t explain why we act as we do.. so what does?

A

We do things that we find “rewarding”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How do brain circuits play a role in our behaviour?

A

Brain circuits increase or decrease activity in our brains, and signal reactions and feelings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are “Androgens”?

A

hormones that are related to masculine characteristics, like sex drive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are “Innate Releasing Mechanisms (IRMs)

A

A mechanism that detects sensory stimuli and directs an organism to do a specific action. They are present from birth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Blind children, can produce facial expressions, even when they haven’t seen them before. How is this so?

A

Because IRM’s aren’t learned, we are born with it (but experience can modify them)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The fact that the nervous system is often prewired to make some associations but not others has led to the concept of ___________.

A

preparedness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What neural structure is critical in producing motivated behaviour?

A

The hypothalamus, it receives projections from major subdivisions of the Nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are Regulatory Behaviours

A

behaviours motivated by an organisms survival (like eating and drinking/waste elimination/body temperature maintenance)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are regulatory behaviours controlled by?

A

Homeostatic Mechanisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are Non-regulatory behaviours

A

opposite of regulatory behaviours, we do them but aren’t required to meet out basic survival needs, and isn’t controlled by homeostatic mechanisms (sex/parenting/reading)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What gland does the hypothalamus control?

A

Pituitary Gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the 3 regions of the hypothalamus?

A

Lateral, Medial, and Periventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which chemical contributes to the control of motivated behaviours, including eating and sex??

A

Dopamine (containing MFB fibers)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When is Oxytocin released?

A

During intimate moments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The hypothalamus controls the release of pituitary hormones, by producing what?]>

A

Releasing hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How does the hypothalamus help regulate the thyroid hormone

A

When the thyroid hormone is low, the hypothalamus releases thyroid-stimulating releasing hormone

17
Q

How long does a olfactory receptor neuron last?

A

60 days

18
Q

The receptor surface for olfaction, is the olfactory ________ in the nasal activity

A

Epithelium

19
Q

Chemicals in the air we breathe are absorbed in the ___________.

A

Mucosa

20
Q

Why can dogs smell better than us?

A

Their epithelial receptor is bigger

21
Q

What are Pheromones?

A

an odour released by animals to act as chemosignals, and are detected by the vomeronsal organ

22
Q

Sensitivity to bitterness is related to genetic differences in the ability to detect a specific chemical, what chemical is it?

A

PROP

23
Q

Olfactory and Gustatory pathways pass through the thalamus and merge in an area behind the eye sockets known as the ____________________.

A

Orbitofrontal cortex

24
Q

Name 3 disorders associated with a loss of smell and taste

A

Parkinsons disease, dementia, Covid