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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Attention decouples action potentials from the phase of local field potentials in macaque visual cortical area MT.
TL;DR: It is shown that spikes are coupled to the phase of low-frequency LFP along the dorsal visual pathway and suggested that attention harnesses this spike-LFP coupling to de-synchronize neurons and thereby enhance the neural representation of the attended stimuli.
Journal ArticleDOI
A single motion system suffices for global-motion perception
TL;DR: Model simulations indicate that present and previous experimental results can be produced by a single motion system providing that the mechanisms within it are speed-tuned, and against a bipartite global-motion system.
Journal ArticleDOI
Letter recognition reveals pathways of second-order and third-order motion
TL;DR: Insofar as spatio-temporal processing is assumed to be carried out in the dorsal stream and pattern recognition in the ventral stream, the interference patterns suggest that second-order motion may be computed entirely inThe dorsal stream, and third- order motion may involve two computational processes, one of which shares computational resources with the letter recognition task in the vents.
Journal ArticleDOI
The complex structure of receptive fields in the middle temporal area.
TL;DR: Visual motion analysis in MT has access to motion detectors that are more complex than commonly thought, and could be a mere byproduct of imperfect development, but can also be understood as the natural consequence of the nonlinear, recurrent interactions among laterally connected MT neurons.
Journal ArticleDOI
The initial torsional Ocular Following Response (tOFR) in humans: a response to the total motion energy in the stimulus?
TL;DR: The initial torsional Ocular Following Responses (tOFRs) elicited at short latency by visual images that occupied the frontal plane and rotated about the lines of sight were recorded, consistent with the hypothesis that the onset and magnitude of the initial tOFR are determined by the total motion energy in the stimulus.
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.