Chap7

Question 1

What are some common causes of brain damage??

Answer 1

Head injuries, stoke, anoxia (damage due to lack of oxygen, and severe injuries that damage the brain directly

Question 2

Adaptive plasticity after brain injury

Answer 2

Adaptive plasticity allows the brain to change and develop as result of new experiences. Adaptive plasticity allow the brain to be modified through experiences and learning and so also allows the brain to recover and Cope after a serious injury thanks to stem cells being continually created throughout life-
Cameron Mott example of this, she recovered especially well due to having developmental plasticity meaning her brain used all these excess neurons meaning more could be assigned to aid in her recovery

Question 3

Brocas aphasia

Answer 3

Aphasia is a language impairment, brocas aphasia affects speech production and the joining of words eg and, if ,butt
The Broca’s area is in the left frontal lobe
Brocas aphasia is referred to as expressive aphasia as brocas people have trouble expressing themselves

Question 4

Wernickes aphasia

Answer 4

Occurs in the left temporal lobe
Makes no sense, words flow freely but you can not understand them
Wernickes aphasia people can no longer understand language and we can no longer understand them
They speak fluently but in fruit salad way (makes no sense)

Question 5

Split brain

Answer 5

Individual that has had their corpus callosum cut and their left and right hemispheres no longer communicate with each other
If something is seen with the left eye you won’t be able to say it as your right hemisphere has processed it and language is predominately in the left hemisphere

Question 6

What is Spacial neglect

Answer 6

Spacial neglect is usually due to the right posterior parietal lobe being damaged causing a the affected person to ignore stimuli on one side of the body (usually left)
Relates to visual stimuli so they are blind but this isn’t ordinary blindness as yes function normally and most sufferers are unaware they have a deficit (anosognosia) and others may know but are not concerned (anosodiaphoria)
A person with Spacial neglect won’t realize there is more food on the left side of the plate to eat and so complains they weren’t given much, they won’t turn the plate as they are unaware that the other side of the plate is there .