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NE101 Lecture Notes

Relationships between objects hippocampus memory

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Relationships between objects → hippocampus (memory) Vision Primary visual cortex: elementary sensory features line orientation color retinotopic maps (map of retina in visual cortex) REMINDER: both eyes “sees' LVF & RVF inside of each eye (“nasal”) projects to opposite side of brain Secondary cortex: Elaboration of features shapes Unimodal Association Cortex: integration of features Audition Primary Auditory Cortex Elemental sensory features tonotopic maps tones Secondary cortex Elaboration of features simple tunes Unimodal Association Cortex Integration of features songs Somatosensation Primary Somatosensory Cortex (post-central gyrus) Elemental sensory features Somatotopic (homunculi): pressure touch
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temperature Secondary (Unimodal Association) Cortex: Integration & Elaboration of features egocentric space Dorsal stream Spatial Cognition vision for action (somatosensation plus vision & manipulation) egocentric space As your body moves, the world does not. Agnosia: localizing vs. identifying Streams of Processing Representing the External World Anterior Brain (Frontal Lobe) Meaningful stimuli triggers retrieval of associations December 10, 2012: Exam 3 Review Answers to the Exam Review Questions: 1. Using the picture of the back of the brain, circle the hemisphere where you would predict to observe visual activity with your left eye closed: both sides of the middle of the upper hemisphere Right hemisphere processes LVF / left hemisphere processes RVF Temporal part of the eye is on the outside, nasal part of the eye is on the inside temporal part of the eye in left eye goes to left hemisphere, nasal part of the left eye goes to right hemisphere 2. Right ear bilateral but information coming from right ear is faster and stronger left hemisphere (left ear) processes language 3. Our somatosensory, visual, and auditory systems share all of the following, except: none of the above all senses go through thalamus except for olfaction 4. For an off-center ganglion cell, which of the following would result in the highest firing rate of the cell?: A light that shines 25% on the cell's surround and none on the cell's center. Photoreceptors are always active when light shines on it. 5. In the somatosensory system, elaboration of information in unimodal association cortex produces an map. The analogous representation(s) in visual unimodal association cortex is (are)a ? allocentric space doesn't occur until way after unimodal association cortex 6. The rat Place vs. Response Learning task described by Professor Eichenbaum suggests that: A. rats are terrible at learning a particular strategy: rats have access to two different, competing strategies to find a reward.
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