... was linearly related to the diameter/velocity ratio. The receptive fields of these collicular cells were composed of an excitatory center and a suppressive surround, but the occurrence and development of neuronal responses to looming stimuli were independent of the receptive-field organization. Although...

... thalami (nOPT, a.k.a. nucleus geniculatus lateralis pars dorsalis) of the thalamofugal pathway and the optic tectum (OT) of the tectofugal pathway are different in their preferences for the direction and velocity of stimulus motion, and the excitatory receptive field (ERF) in nOPT cells is quite larger...

... for their experimental evaluation are elaborated. A number of specific measurements are found to be lacking in necessary precision: the total amount of somatosensory cerebral tissue in each area, the sizes, shapes and degree of overlap of aggregate excitatory receptive fields, the number of distinct modalities...

... for their experimental evaluation are elaborated. A number of specific measurements are found to be lacking in necessary precision: the total amount of somatosensory cerebral tissue in each area, the sizes, shapes and degree of overlap of aggregate excitatory receptive fields, the number of distinct modalities...

...Jin Yang; Chuan Zhang; Shu-Rong Wang The present study is the first attempt to make comparisons of the visual response properties between tectal and thalamic neurons with spatially overlapping receptive fields by using extracellular recording and computer mapping techniques. The results show...

...Quan Xiao; Peng Cao; Yong Gu; Shu-Rong Wang Large-field patterns are effective stimuli for eliciting visual responses from neurons in the pretectal nucleus lentiformis mesencephali of nonmammals. The present study shows that stimulation beyond the receptive field does not contribute to the visual...

...Yong Gu; Yuan Wang; Shu-Rong Wang The present study provides the first electrophysiological evidence for dorsoventral variation in the receptive field properties of tectal cells in pigeons. According to their receptive field organization, visual response properties and laminar locations, 95 tectal...