Brain Plasticity Flashcards

1
Q

what is brain plasticity?

A

refers to the brains ability to function and physically change and adapt due to new learning and experiences

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2
Q

when do the brain changes occur throughout life?

A

infancy
2-3 years old
adulthood

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3
Q

what brain change occurs during infancy?

A

brain experience rapid growth in synaptic connections

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4
Q

what brain change occurs during ages 2-3?

A

number of syn con peaks at 15k

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5
Q

how many synaptic connections do we have during adulthood?

A

7.5k due to synaptic pruning

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6
Q

what is synaptic pruning?

A

rarely used synaptic connection deleted and freq used ones are strengthened

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7
Q

what 3 pieces of research must we remember in brain plastcity?

A

Gopnik et al
Maguire et al
Draginski et al

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8
Q

what did Gopnik say?

A

brain is like plastic and can change seen through 2-3 years brain change

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9
Q

Gopnik et al states that _____ _____ allows _____ ________

A

synaptic pruning enables lifelong plasticity

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10
Q

Gopnik et al says that new neural connections are formed in response to…

A

new demands

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11
Q

what did Maguire et al say about taxi drivers?

A

significant volume of grey matter in posterior hippocampus

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12
Q

what is the posterior hippocampus involved in in Maguire’s research?

A

involved with development of spatial and navigational skills in humans and animals

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13
Q

Maguire also found that the longer…

A

someone has been a taxi driver, the more pronounced the structural difference is showing a positive correlation

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14
Q

what did Draginski et al study?

A

brain scans in medical student 3 months before and after final exams

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15
Q

what were the results of Draginski et al’s study?

A

learning induced changes in posterior hippocampus and parietal cortex due to result of exam

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