Psychology 1000 Lecture 3 Notes

Psychology 1000 Lecture 3 Notes - Psychology 1000 Lecture 3...

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Psychology 1000 Lecture 3 Perception Lateral Inhibition Visual Cortex Gestalt laws Next time : perception II Scan: Finish Chapter 5 The neurons near the oval window are firing rapidly while other neurons on the basilar membrane are barely firing. According to Von Besky this is interpreted by the individual brain as 1. No sound 2. high pitched sound 3. Low pitched sound 4. High intensity sound 5. Sensory masking Enhances the difference between black and light after being degraded by all the stuff in light --> shaper lines Ghost spots --> more areas of off surround than on centers, center perceived as dark smudge Recording from the Visual Cortex In the cortex when we record --> response is to Bars of light instead of spots of light o Slit of light o Cortical cells may be orientation specific and motion sensitive! Simple cell: Fires to a slit at a particular orientation on a specific retinal location i.e preference to vertical lines Retinal ganglion cells:
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  • Spring '09
  • Psychology, visual cortex, Simple Cell

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