brain injury Flashcards

1
Q

how might brain injury be caused?

A

by accident or illness, traumatic or non traumatic

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2
Q

how is non traumatic brain injury caused?

A

alcohol and drug abuse

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3
Q

what does alcohol and drug abuse cause in the brain

A

interferes with the absorption of vitamin B1

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4
Q

what is vitamin B1?

A

an important brain nutrient

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5
Q

what does accidents and injuries on young brains cause?

A

causes them to misfire interrupting the development affecting their ability to control their impulses and actions

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6
Q

injury to area of impulse control during development can lead to..?

A

long term problems in impulse control and decision making

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7
Q

what is impulse control and decision making linked to?

A

ASB behaviour

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8
Q

what behaviour does injury to the amygdala cause?

A

irritability, aggression and impulsive behaviours

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9
Q

what did williams find?

A

that 60% of 196 male offenders had acquired brain injury

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10
Q

what age did williams say the brain fully develops?

A

25

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11
Q

who said the brain fully develops at 25?

A

williams

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12
Q

what is the percentage of head injury among offenders?

A

50-80%

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13
Q

what is the percentage of head injuries among general public?

A

10%

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14
Q

what causes a risk of offending later in life?

A

early brain injury

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15
Q

what are the risk factors in those with brain injury?

A

cognitive impairment

loss of self regulation

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16
Q

what does injury to the anterior brain cause?

A

loss of natural bias away from aggression, use it instead of other options

17
Q

what is an example of a case study associated with brain injury?

A

phineas gage

18
Q

what can cognitive impairment cause difficulties with?

A

working memory and learning

19
Q

which area of the brain is associated with loss of self regulation?

A

orbito frontal lobes

20
Q

why is the example reductionist?

A

doesn’t take into account other factors such as social, takes a behaviour and simplifies it into one explanation

21
Q

what case study can support the theory?

A

phineas gage

22
Q

what is the weakness of using case studies?

A

not generalisable, brains may react differently

23
Q

what are the ethical concerns in studying the theory?

A

may not be ethical, e.g. to study behaviour before and after injury

24
Q

why is it difficult to isolate the factors?

A

may not just be brain injury causing criminal behaviour

25
Q

is graft man et al a strength or weakness?

A

strength

26
Q

what did graft man et al find?

A

vietnam head injury study - found 14% of brain injury patients were in fights compared to 4% without

27
Q

what did williams find that supports the study?

A

60% of 196 males who were all younger than those without, demonstrating the theory of misfiring

28
Q

why is the study useful?

A

in rehabilitation, treatment, greater awareness, early intervention