Lecture_2_01_31_neuro_16600

Lecture_2_01_31_neuro_16600 - 1 Mayank Mehta NEURO 1660 1...

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Unformatted text preview: 1 Mayank Mehta, NEURO 1660 1 Lecture 2-3 Neural Encoding, & Decoding Mountcastle, V.B., The columnar organization of the neocortex. Brain, 1997. 120 ( Pt 4) : p. 701-22. Mehta, M.R., Neuronal Dynamics of Predictive Coding. The Neuroscientist, 2001. 7 (6): p. 490-495. Quiroga, R.Q., et al., Invariant visual representation by single neurons in the human brain. Nature, 2005. 435 (7045): p. 1102-7. Wilson, M.A. and B.L. McNaughton, Dynamics of the hippocampal ensemble code for space. Science, 1993. 261 (5124): p. 1055-8. Pouget et al. (2000) Nature Reviews Neuroscience 1:125-132 Huber, Svoboda et al. Nature 451:61-64 (2008). Houweling, Brecht. Nature 451:65-68 (2008). Mayank Mehta, NEURO 1660 2 Readings • Reading material related to things discussed in the class is listed on the first page of lecture notes and at the bottom of the relevant pages. • You don’t have to read the reading material, it is there only for those who seek further information or clarification. • Exams will be based entirely on material taught in the class • Speed? Mayank Mehta, NEURO 1660 3 Topography of cortical responses Medial Temporal Cortex (MT) Primary Visual Cortex (V1) Mountcastle (1997) Brain 120:701-722 Good: ‘similar’ neurons can communicate easily Good: Reduced communication overhead Good: Allows imaging Bad: Singularities Mayank Mehta, NEURO 1660 4 Cortical Columns Primary Somatic Sensory Cortex (S1) Mountcastle (1997) Brain 120:701-722 2 Mayank Mehta, NEURO 1660 5 Cortical Columns Primary Somatic Sensory Cortex (S1) Mountcastle (1997) Brain 120:701-722 Mayank Mehta, NEURO 1660 6 Cortical Columns Inferior Temporal Cortex (IT) Mountcastle (1997) Brain 120:701-722 Mayank Mehta, NEURO 1660 7 What is cognitive neuroscience? • How does the mind arise from the brain? Mayank Mehta, NEURO 1660 8 Selective representation of famous faces in the hippocampus (Quiroga, Koch, Fried et al., Nature 2005) 3 Mayank Mehta, NEURO 1660 9 Quantification of neural activity: Peri Stimulus Time-Interval Histogram (PSTH) A A B B 500 msec-500 500-500 Raster plot PSTH ITI Mayank Mehta, NEURO 1660...
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This note was uploaded on 05/17/2008 for the course NEUR 1660 taught by Professor Mehta during the Spring '08 term at Brown.

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Lecture_2_01_31_neuro_16600 - 1 Mayank Mehta NEURO 1660 1...

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