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
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What happens if it changes color when it moves?: Psychophysical experiments on the nature of chromatic input to motion detectors
TL;DR: It is suggested that chromatic signals contributing to motion detection are of two distinct types, which has implications for the degree of crosstalk between magnocellular and parvocellular processing streams in the primate visual system and it reinforces the understanding of how image features affect the way the authors see things move.
Journal ArticleDOI
Local velocity representation: evidence from motion adaptation.
Paul Schrater,Eero P. Simoncelli +1 more
TL;DR: Psychophysical experiments indicate that adaptation-induced shifts are relatively independent of spatial pattern of both adapting and test stimuli, and the 2D pattern of shift in perceived velocity radiates away from the adaptation velocity, and is inseparable in speed and direction of motion.
Journal ArticleDOI
Optic Flow Selectivity in the Anterior Superior Temporal Polysensory Area, STPa, of the Behaving Monkey
TL;DR: The results suggest that neurons within STPa are contributing to the analysis of optic flow and provide carefully controlled physiological evidence for an extension and specialization of the motion-processing pathway into the anterior temporal lobe.
Journal ArticleDOI
Single neuron activity in the dorsomedial frontal cortex during smooth pursuit eye movements
TL;DR: It is proposed that the dorsomedial frontal cortex is part of a partial alternative path to the classic pursuit pathway that might be used to facilitate the initiation or control of eye movements beyond a simple reflexive response to retinal slip.
Journal ArticleDOI
Neural Mechanisms of Visual Awareness: A Linking Proposition
TL;DR: It is argued that the feed-forward activation of cells in any area of the brain is not sufficient to generate awareness, but that recurrent processing, mediated by horizontal and feedback connections is necessary.
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.