1.1.4 Classic Research (Bi) Flashcards

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1
Q

What did research show about rats who are stressed in early life?

A

They show increased activity in the right hemisphere when killing mice

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2
Q

What did severing the corpus callosum in rats lead to?

A

An increase in mice killing

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3
Q

What does the research on rats suggest?

A

The left hemisphere must have some role in controlling violent behaviour

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4
Q

What are the problems with linking the rat research to human brain dysfunction in murderers?

A
  • extrapolating/generalising findings (rats aren’t humans)

* rats aren’t murdering - they kill instinctively

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5
Q

What did early research into brain dysfunction and violence in humans use?

A
  • case studies of people with brain damage
  • accidents - e.g phineas gage
  • split brain patients
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6
Q

What is a split brain patient?

A

A patient who had had their corpus callosum severed, often as part of an operation designed to cure epilepsy

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7
Q

What do split brain patients show?

A
  • Poor emotional expression

* Inability to grasp long term implications of a situation

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8
Q

Why might the effects of the split brain operation be linked to violence?

A

Split brain patients can’t control their emotions (anger) and don’t understand the consequences of violence

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9
Q

Other than the corpus callosum, what areas of the brain are linked to violence?

A
  • temporal lobe
  • frontal lobe
  • the brain is also highly integrated so other areas can be involved
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10
Q

How have modern brain scanning techniques helped researchers in studying violent offenders?

A

Functional scans show brain activity in high levels of detail, so it is easier to study brain functioning amongst violent offenders

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11
Q

What has long been suspected about brain dysfunction?

A

Brain dysfunction can predispose someone to violent behaviour

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12
Q

What did research show about rats who are stressed in early life?

A

They show increased activity in the right hemisphere when killing mice

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13
Q

What did severing the corpus callosum in rats lead to?

A

An increase in mice killing

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14
Q

What does the research on rats suggest?

A

The left hemisphere must have some role in controlling violent behaviour

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15
Q

What are the problems with linking the rat research to human brain dysfunction in murderers?

A
  • extrapolating/generalising findings (rats aren’t humans)

* rats aren’t murdering - they kill instinctively

How well did you know this?
1
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2
3
4
5
Perfectly
16
Q

What did early research into brain dysfunction and violence in humans use?

A
  • case studies of people with brain damage
  • accidents - e.g phineas gage
  • split brain patients
17
Q

What is a split brain patient?

A

A patient who had had their corpus callosum severed, often as part of an operation designed to cure epilepsy

18
Q

What do split brain patients show?

A
  • Poor emotional expression

* Inability to grasp long term implications of a situation

19
Q

Why might the effects of the split brain operation be linked to violence?

A

Split brain patients can’t control their emotions (anger) and don’t understand the consequences of violence

20
Q

Other than the corpus callosum, what areas of the brain are linked to violence?

A
  • temporal lobe
  • frontal lobe
  • the brain is also highly integrated so other areas can be involved
21
Q

How have modern brain scanning techniques helped researchers in studying violent offenders?

A

Functional scans show brain activity in high levels of detail, so it is easier to study brain functioning amongst violent offenders

22
Q

What has long been suspected about brain dysfunction?

A

Brain dysfunction can predispose someone to violent behaviour