cognitive_neuroscience_discussion

cognitive_neuroscience_discussion - “river,” although...

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PSYC 4100 K. Darnell Cognitive Neuroscience Discussion Questions 1. Each of the neurons (N1-N6) represented in the table below are excited by a particular visual feature. The table indicates whether or not each neuron is excited by a given numerical symbol. Determine what feature each neuron is responding to. Neurons Symbol N1 N2 N3 N4 N5 N6 0 ON ON OFF OFF OFF OFF 1 OFF OFF ON OFF OFF OFF 2 OFF ON OFF ON OFF OFF 3 OFF ON OFF OFF OFF OFF 4 OFF OFF ON ON ON OFF 5 OFF ON ON ON OFF OFF 6 ON OFF OFF OFF OFF ON 7 OFF OFF OFF ON ON OFF 8 OFF OFF OFF OFF OFF ON 9 OFF ON OFF OFF OFF ON 2. Explain each of the phenomena below in terms of feature detectors, neural codes, and/or experience- dependent plasticity. a. It is not uncommon for English-speaking children to confuse the letters p , b , d , and q when they are first learning to read. b. Members of racial/ethnic group A often say that members of racial/ethnic group B “all look alike.” c. Native English speakers have no difficulty telling the difference between the words “liver” and
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Unformatted text preview: “river,” although these two words sound the same to native Japanese speakers. 3. Imagine a neural circuit that results in the following responses: • Fires with high frequency in response to a picture of a robin. • Fires with moderate frequency in response to a picture of an eagle. • Fires with low frequency in response to a picture of a penguin. • Fires with low frequency in response to a picture of an ostrich. a. What kinds of features might stimulate the different receptors in this circuit? b. What features might result in excitatory responses? Inhibitory responses? c. How do you think the neural circuit above would respond to a picture of a platypus?...
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