optic nerve
DESCRIPTION
optic nerve. 1 deg. Striate Cortex (V1). Hubel & Wiesel. Hallem & Carlson 2006 (via Rachel). Odorant Receptors. amines. lactones. acids. sulfur. terpenes. aldehydes. ketones. aromatics. alcohols. esters. Hallem & Carlson 2006. 1 deg. Striate Cortex (V1). Hubel & Wiesel. - PowerPoint PPT PresentationTRANSCRIPT
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optic nerve
![Page 2: optic nerve](https://reader035.vdocuments.us/reader035/viewer/2022081603/56814c92550346895db9a5c3/html5/thumbnails/2.jpg)
StriateCortex
(V1)
Hubel & Wiesel
1 deg
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Hallem & Carlson 2006 (via Rachel)
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Hallem & Carlson 2006
amines
lactones
acids
sulfur
terpenes
aldehydes
ketones
aromatics
alcohols
esters
Odorant Receptors
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StriateCortex
(V1)
Hubel & Wiesel
1 deg
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StriateCortex
(V1)
1 deg
IT face cell
Tsao et al. 2006
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11
20 faces!
Marge Livingstone & Doris Tsao
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Distribution of Face Selectivity Indices
Marge Livingstone & Doris Tsao
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xxxx
xxxx
xxxx
Hubel & Wiesel 1962
LGN
Striate Cortex
X = excitation = inhibition
++
+
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R1
Sclar & Freeman 1982
response(spikes/s)
orientation
80% contrast
40% contrast
80
0
-25º +25º0º
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McAdams & Maunsell 1999
attend in
attend out
1.0
0.5
0.0-90º -60º -30º 0º 30º 60º 90º
V4response
orientation
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Kohn & Movshon 2004
0
50
100
-180 1800direction of motion
spikes/s
adaptingdirection
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140 spikes/s
Early: 65 to 85 ms
= 45° = 90° = 135°
Late: >150 ms
140 spikes/s
Pack & Born 2001
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Lorençeau et al. 1993
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Shadlen & Newsome 1994
trial #
sp/sec
time (ms)
Spikes from an MT Neuron: Identical Stimulus, 210 Repeats
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Michele Fabre-Thorpe
http://www.cerco.ups-tlse.fr/fr_vers/annuaire/michele_fabre_thorpe.htm#
Rapid Scene Perception: Time of 1st Spike?
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http://en.wikipedia.org/wiki/Histogram_equalization
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Attneave 1954
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Webster, Mizokami, and Webster 2007
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