Journal ArticleDOI
Functional properties of neurons in middle temporal visual area of the macaque monkey. I. Selectivity for stimulus direction, speed, and orientation
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TLDR
The presence of both direction and speed selectivity in MT of the macaque suggests that this area is more specialized for the analysis of visual motion than has been previously recognized.Abstract:
1. Recordings were made from single units in the middle temporal visual area (MT) of anesthetized, paralyzed macaque monkeys. A computer-driven stimulator was used to make quantitative tests of sel...read more
Citations
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Journal ArticleDOI
Direction and orientation selectivity of neurons in visual area MT of the macaque
TL;DR: The notion that area MT represents a further specialization over area V1 for stimulus motion processing is supported and the marked similarities between direction and orientation tuning in area MT in macaque and owl monkey support the suggestion that these areas are homologues.
Journal ArticleDOI
Stimulus Specific Responses from Beyond the Classical Receptive Field: Neurophysiological Mechanisms for Local-Global Comparisons in Visual Neurons
TL;DR: The historical development of the evidence of response selectivity for visual stimuli presented beyond the CRF is traced; the anatomical pathways that sub serve these far-reaching surround mechanisms are examined; and the possible relationships between these mechanisms and perception are explored.
Journal ArticleDOI
A relationship between behavioral choice and the visual responses of neurons in macaque MT
TL;DR: It is found that trial-to-trial variability in neuronal signals was correlated with the choices the monkey made, and this is consistent with the idea that neuronal signals in MT are used by the monkey to determine the direction of stimulus motion.
Journal ArticleDOI
Neuronal responses to static texture patterns in area V1 of the alert macaque monkey
James J. Knierim,D. C. Van Essen +1 more
TL;DR: Responses from neurons in area V1 of the alert macaque monkey to textured patterns modeled after stimuli used in psychophysical experiments of pop- out are consistent with a possible functional role of V1 cells in the mediation of perceptual pop-out and in the segregation of texture borders.
Journal ArticleDOI
The functional logic of cortical connections
Semir Zeki,Stewart Shipp +1 more
TL;DR: Patterns of anatomical connections in the visual cortex form the structural basis for segregating features of the visual image into separate cortical areas and for communication between these areas at all levels to produce a coherent percept.
References
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Journal ArticleDOI
Receptive fields and functional architecture of monkey striate cortex
David H. Hubel,Torsten N. Wiesel +1 more
TL;DR: The striate cortex was studied in lightly anaesthetized macaque and spider monkeys by recording extracellularly from single units and stimulating the retinas with spots or patterns of light, with response properties very similar to those previously described in the cat.
Journal ArticleDOI
Silver Staining of Myelin by Means of Physical Development
TL;DR: For staining myelin with silver a physical development technique has been devised that can render visible the thinnest fibers in various animal species, including fishes and reptiles, even in the early phase of myelination and may be applied to both frozen and embedded materials.