False perception of motion in a patient who cannot compensate for eye movements

Article Abstract:

The case of a patient with bilateral extrastriate cortex lesions is described. The patient suffered from false perception of motion because of the inability to take eye movement into account during self-induced retinal image slip. The deficiency is suspected to reflect damage in a distinct parieto-occipital region, where self-induced and externally induced visual motion is disentangled through comparison of retinal signals with a reference signal.

Eye, Eye movements, Motion perception (Vision), Motion perception

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Encoding of movement time by populations of cerebellar Purkinje cells

Article Abstract:

An anatomical correlate of time perception within the cerebellum is supported by research on saccade-related verman Purkinje cells. Experiments in monkeys suggest that large groups of Purkinje cells give a precise temporal signature which may help to determine saccade duration.

Physiological aspects, Biological rhythms, Biorhythms

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Neuronal switching of sensorimotor transformations for antisaccades

Article Abstract:

Neuronal switching in antisaccades of sensorimotor transformations is examined.

Perceptual-motor processes, Neurology

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