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A simple neural circuit for dectecting first order motion

A simple neural circuit for dectecting first order motion -...

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o A simple neural circuit for dectecting first order motion Reichardt detector – uses delay units o Same pattern of movement across a neurons receptive field – aperture problem, only have info about whats happening in very restrictive part of visual field, rightward motion signifies just rightward or upward or downward component. The motion the signal in any single neurons receptive field is ambiguous, it can not specify the direction in which an object as a whole is moving. To accuarelly perceive motion the visual system msut pol info acorss many different receptive fields. o Motion is the change in posutin of an obj over time. But not all instance of obj motion result in changes in the retinal postion of an obj over time and not all changes in an obj retinal postion signify obj motion o We need to provide visual system with info beyond change in retinal position of obj. what do you need to take into account other than the change of obj in retinal position? Whether or not the viewer is moving ( corollary dischange singal) when
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