A simple neural circuit is shown to depict the rabbit “nicti…
A simple neural circuit is shown to depict the rabbit “nictitating membrane reflex” in which a puff of air produces an eyeblink. Also shown is a 4th cell (called D) located in the visual cortex that makes a weak synapse (called L) onto cell C. Cell D can be activated when a light is turned on in the test apparatus. casps231_q6p2.png Use this figure to answer the question below as well as the question that follows: After pairing the puff of air and the tone (i.e., after training), what happens in this circuit when the tone occurs by itself?
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