lect 9 memory

lect 9 memory - Lecture 9: Memory I - Question of the week...

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Lecture 9: Memory I - Question of the week - Which about motion aftereffect is true? o Motion aftereffect is due to adaptation of motion-selective neurons in the retina o Motion aftereffect occurs when you stare for a while at a blank wall in classroom o Typically occurs when you drive too fast in car o CORRECT Due to adaptation of motion-selective neurons in visual areas, including MT o PTs with lesions on prefrontal cortex will typically not be able to perceive a motion aftereffect - Which is not true? o Many V1 neurons are orientation selective o Orientation selection neurons may code simply contours (stop sign) o MT respond direction selective o IT coding objects o Lesions of V4 lead to akinetopsia CORRECT (be careful, another area for achromatopsia) - Which about P cells is true o Large RF o Sustained responses CORRECT o Respond to motion stimuli strongly o Highly sensitive to stimulus contrast o Transduce neural signals fast - Which methods can be used to (a) determine activation of brain region in given task, (b) test fctnal significance of brain region in given task, and (c) determine neural events that underlie the activation over time? (written in about 2 (say a sentence or so) and then longer
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lect 9 memory - Lecture 9: Memory I - Question of the week...

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