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3 - Agression > Neural and Hormonal Mechanisms - Neural Mechanisms > Flashcards

Neural and Hormonal Mechanisms - Neural Mechanisms Flashcards

1
Q

What system is an example of a neural mechanism?

A

The limbic system.

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2
Q

Where is the limbic system found?

A

In the central core of the brain.

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3
Q

What does the location of the limbic system tell us?

A

It is the primitive, instinctual part of the brain.

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4
Q

What is the limbic system made from?

A

3 structures.

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5
Q

What are the three structures the limbic system is made from?

A

Hypothalamus.
Hippocampus.
Amygdala.

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6
Q

In what order to the three structures of the limbic system take action?

A

1 - Hypothalamus.
2 - Hippocampus.
3 - Amygdala.

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7
Q

What is the first thing that happens in the limbic system?

A

The hypothalamus notices a change in the environment.

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8
Q

What is the hypothalamus responsible for?
So in the context of the limbic system?
Step one, two or three?

A

Body regulation/ basic function.

Noticing a change in the environment.

Step 1.

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9
Q

What is the second thing that happens in the limbic system?

A

The hippocampus checks if you have encountered this ‘thing’ before.

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10
Q

What is the hippocampus responsible for?
So in the context of the limbic system?
Step one, two or three?

A

LTM, episodic memories.

Checking if you have encountered this ‘thing’ before.

Step 2.

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11
Q

What are episodic memories?

A

Personal memories, they happened to you.

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12
Q

What is the third thing that happens in the limbic system?

A

The amygdala help you to react, or not.

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13
Q

What is the amygdala responsible for?
So in the context of the limbic system?
Step one, two or three?

A

Emotional response - control of aggression.

Reacting, or not.

Step 3.

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14
Q

If you’re hippocampus recalls the ‘thing’ as being a threat before, will you amygdala emit a response?

If it wasn’t a threat before?

If you have not encoded it before?

A

Yes.
No.
Weary.

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15
Q

If you have a problem will your limbic system, what will you have a problem with?

A

Agression.

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16
Q

If you have a problem with aggression, what have you a problem with?

A

Your limbic system.

17
Q

If you have a problem with your hypothalamus, what will be the result?

A

You will be brain dead.

18
Q

What is the study that has been done looking into problems with the hypothalamus?

A

There have been none, as the patient will be brain dead.

19
Q

If you have a problem with the hippocampus, what will be the result?

A

You will likely be very aggressive.

20
Q

What is a study that has been done looking into a problem with the hippocampus?

A

Clive Wearing Case Study.

Showed the the episodic memories are deffo in hippocampus as he was really aggressive.

He doesn’t recall every meeting anything before, so everything is treated as a threat.

21
Q

If you have a problem with your amygdala, what will the be result?

A

You will likely be very aggressive.

22
Q

What is the study that has been done looking into a problem with the amygdala?

A

Pardini’s recent (2014) longitudinal study.

Negative correlation between volume of amygdala and higher levels of violence.

Therefore, reduced amygdala volume an predict severe and persistent aggression.

23
Q

What are the 4 evaluation points for the neural mechanisms explanation?

A

Low level reductionist.
Biological determinism.
Alpha androcentric gender bias.
Nature only (needs interactionist approach).

24
Q

The neural mechanisms explanation is low level reductionist, what would be more appropriate?

A

A holistic approach.

25
Q

How is the neural mechanisms explanation for aggression an example of biological determinism?

A

There is no free will involved.

26
Q

What study can be used that shows an alpha androcentric gender bias within the neural mechanisms explanation for aggression?

A

Pardini.

27
Q

What is another neural influence that affects aggression?

A

Serotonin.

28
Q

The more serotonin you have, are you more or less aggressive?

A

More relaxed = less aggressive.

But at a point, you hit a wall and it can make you more aggressive.

29
Q

Because of the unclear pattern of serotonin levels linking to aggression levels, what is unclear?

A

The exact role serotonin plays in aggression is unclear.

30
Q

What will be the effects of having a low level of, a overly high level of and a medium level of serotonin?

A

Low level = Aggressive.
Overly high level = Aggressive.
Medium level = Not aggressive.

31
Q

What studies can be used to show evidence for levels of serotonin playing a role in aggression levels?

A

Monkey studies.

32
Q

What specific monkey study can be used to show evidence for levels of serotonin playing a role in aggression levels?

A

Vervet monkeys fed diets high in tryptophan which raises serotonin levels, they exhibited lower levels of aggression.

3 - Agression (2 decks)

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