HMB200H1 Lecture 2: Lecture 2 – Critical Period.docx
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Document Summary
Brain changes in response to the environment. Don"t limit your learning: applies to everyone. Sensory activity is on both sides of the neuron and it is happening at the same time (reciprocal and coordinated) down to the millisecond. During development everything is pretty much spontaneous. Neurons from retina to thalamus, and they send axons back to visual cortex. Pattern, projection from one eye, terminate in different layers. Pattern is different in the cortex electrodes go to back of the brain, no matter how deep you went, the neurons that the were recording from, were only active when light was projected on to one eye. Pre and post synaptic at the same time which is what strengthens it. Barrels are common in rodents (whiskers) form after. Monocular deprivation cover eye of one kitten after columns were formed covering one eye, you see stripes for the open eye expands and the one that is closed shrinks.
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