Dynamic integration of task-relevant visual features in posterior parietal cortex. Ibos, G. & Freedman, D. J. Volume 83 , 83, 2014.
Paper doi abstract bibtex The primate visual system consists of multiple hierarchically organized cortical areas, each specialized for processing distinct aspects of the visual scene. For example, color and form are encoded in ventralpathway areas such as V4 and inferior temporal cortex, while motion is preferentially processed in dorsal pathway areas such as the middletemporal area. Such representations often need to be integrated perceptually to solve tasks that depend on multiple features. We tested the hypothesis that the lateral intraparietal area (LIP) integrates disparate task-relevant visual features by recording from LIP neurons in monkeys trained to identify target stimuli composed of conjunctionsof color and motion features. We show that LIP neurons exhibit integrative representations of both color and motion features when they are taskrelevant and task-dependent shifts of both direction and color tuning. This suggests that LIP plays a role in flexibly integrating task-relevant sensory signals.
@book{ibos2014dynamic,
abstract = {The primate visual system consists of multiple hierarchically organized cortical areas, each specialized for processing distinct aspects of the visual scene. For example, color and form are encoded in ventralpathway areas such as V4 and inferior temporal cortex, while motion is preferentially processed in dorsal pathway areas such as the middletemporal area. Such representations often need to be integrated perceptually to solve tasks that depend on multiple features. We tested the hypothesis that the lateral intraparietal area (LIP) integrates disparate task-relevant visual features by recording from LIP neurons in monkeys trained to identify target stimuli composed of conjunctionsof color and motion features. We show that LIP neurons exhibit integrative representations of both color and motion features when they are taskrelevant and task-dependent shifts of both direction and color tuning. This suggests that LIP plays a role in flexibly integrating task-relevant sensory signals.},
author = {Ibos, Guilhem and Freedman, David J.},
booktitle = {Neuron},
doi = {10.1016/j.neuron.2014.08.020},
isbn = {1097-4199 (Electronic)$\backslash$r0896-6273 (Linking)},
issn = {10974199},
keywords = {Subgroup2},
mendeley-tags = {Subgroup2},
number = {6},
pages = {1468--1480},
pmid = {25199703},
publisher = {83},
title = {{Dynamic integration of task-relevant visual features in posterior parietal cortex}},
url = {http://www.sciencedirect.com/science/article/pii/S0896627314006953},
volume = {83},
year = {2014}
}
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