Robert Shapley
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Explore the profile of Robert Shapley including associated specialties, affiliations and a list of published articles.
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46
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1336
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Recent Articles
1.
Shapley R, Nunez V, Gordon J
Vision Res
. 2025 Mar;
229:108564.
PMID: 40031120
Evoked potentials measured from human visual cortex reveal that, in humans as in other primates, color is represented in the cortex mostly by neurons that are spatially-tuned. This means that...
2.
Shapley R, Nunez V, Gordon J
Vision Res
. 2024 Jun;
222:108448.
PMID: 38906035
There is a surprisingly strong effect on color appearance when low levels of luminance contrast are added to visual targets in which only S-cones are modulated. This phenomenon can be...
3.
Han C, Shapley R, Xing D
Cogn Neurodyn
. 2022 Jul;
16(4):745-756.
PMID: 35847544
Gamma-band activity, peaking around 30-100 Hz in the local field potential's power spectrum, has been found and intensively studied in many brain regions. Although gamma is thought to play a...
4.
Nunez V, Gordon J, Shapley R
J Neurosci
. 2022 Apr;
42(21):4380-4393.
PMID: 35414533
We used the chromatic visual evoked potential (cVEP) to study responses in human visual cortex evoked by equiluminant color stimuli for 6 male and 11 female observers. Large-area, colored squares...
5.
Chariker L, Shapley R, Hawken M, Young L
J Neurosci
. 2022 Mar;
42(16):3365-3380.
PMID: 35241489
This paper is about neural mechanisms of direction selectivity (DS) in macaque primary visual cortex, V1. We present data (on male macaque) showing strong DS in a majority of simple...
6.
Chariker L, Shapley R, Hawken M, Young L
Proc Natl Acad Sci U S A
. 2021 Aug;
118(32).
PMID: 34353906
This paper offers a theory for the origin of direction selectivity (DS) in the macaque primary visual cortex, V1. DS is essential for the perception of motion and control of...
7.
Chariker L, Shapley R, Young L
J Vis
. 2020 Apr;
20(4):16.
PMID: 32330221
The response to contrast is one of the most important functions of the macaque primary visual cortex, V1, but up to now there has not been an adequate theory for...
8.
Joglekar M, Chariker L, Shapley R, Young L
PLoS Comput Biol
. 2019 Jul;
15(7):e1007198.
PMID: 31335880
Neuroscience models come in a wide range of scales and specificity, from mean-field rate models to large-scale networks of spiking neurons. There are potential trade-offs between simplicity and realism, versatility...
9.
Chariker L, Shapley R, Young L
J Neurosci
. 2018 Aug;
38(40):8621-8634.
PMID: 30120205
We studied mechanisms for cortical gamma-band activity in the cerebral cortex and identified neurobiological factors that affect such activity. This was done by analyzing the behavior of a previously developed,...
10.
Chariker L, Shapley R, Young L
J Neurosci
. 2016 Dec;
36(49):12368-12384.
PMID: 27927956
Significance Statement: We present the first realistic model that has captured the sparseness of magnocellular LGN inputs to the macaque primary visual cortex and successfully derived orientation selectivity from them....