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Dendritic Spines and Proteins Quiz

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Questions and Answers

What phenomenon is known as a result of monocular deprivation?

Strabismus treatment

Ocular dominance plasticity (correct)

Binocular receptive fields

Hebbian mechanisms

How did the experimental approach of creating artificial strabismus differ from monocular deprivation?

Equal responsiveness through both eyes (correct)

Correlated activity between the two eyes

Surgical cutting of muscles around the eyeball

Selective blocking of NMDA receptors

What was surgically achieved in kittens to create artificial strabismus?

Injecting a selective receptor antagonist

Removal of the visual cortex

Cutting one of the muscles around the eyeball (correct)

Blocking NMDA receptors

What effect did the strabismus treatment have on binocular receptive fields from neurons in layer 2/3?

Eradicated them more or less Signup and view all the answers

What did the work from Wolf Singer's lab show in relation to monocular deprivation in kittens?

Blocked NMDA receptors prevented ocular dominant shift Signup and view all the answers

Which mechanism was found to be relied upon during the deprivation-dependent plasticity process?

Hebbian mechanisms Signup and view all the answers

What led to the equal responsiveness through both eyes in the artificial strabismus treatment?

Each eye delivering equal amounts of activity Signup and view all the answers

'Like monocular deprivation, the strabismus treatment more or less eradicated ______ from layer 2/3 neurons.' Fill in the blank.

binocular receptive fields Signup and view all the answers

'That activity was just not correlated between the two eyes.' What does 'that activity' refer to?

Binocular receptive fields activity Signup and view all the answers

'In contrast to monocular deprivation, strabismus led to equal responsiveness through the two eyes as each eye was delivering equal amounts of activity.' What does 'equal responsiveness' refer to?

Similar levels of response from both eyes Signup and view all the answers