Results 61 to 70 of about 494,197 (285)

Linking Visual Cortical Development to Visual Perception [PDF]

open access: yes, 2000
Defense Advanced Research Projects Agency and the Office of Naval Research (N00014-95-1-0409); National Science Foundation (IRI-97-20333); Office of Naval Research (N00014-95-1 ...
Grossberg, Stephen
core   +1 more source

Very early responses to colour stimuli detected in prestriate visual cortex by magnetoencephalography (MEG) [PDF]

open access: yes, 2018
Our previous studies with the visual motion and form systems show that visual stimuli belonging to these categories trigger much earlier latency responses from the visual cortex than previously supposed and that the source of the earliest signals can be ...
Hoshi, H, Shigihara, Y, Zeki, S
core   +1 more source

Relationships between horizontal interactions and functional architecture in cat striate cortex as revealed by cross-correlation analysis

open access: yesJournal of Neuroscience, 1986
Anatomical studies in the visual cortex have shown the presence of long- range horizontal connections with clustered axonal collaterals, suggesting interactions over distances of several millimeters.
D. Ts'o, C. Gilbert, T. Wiesel
semanticscholar   +1 more source

A Neural Network Model for the Development of Simple and Complex Cell Receptive Fields Within Cortical Maps of Orientation and Ocular Dominance [PDF]

open access: yes, 1996
Prenatal development of the primary visual cortex leads to simple cells with spatially distinct and oriented ON and OFF subregions. These simple cells are organized into spatial maps of orientation and ocular dominance that exhibit singularities ...
Grossberg, Stephen, Olson, Steven J.
core   +1 more source

Decline and fall:a biological, developmental, and psycholinguistic account of deliberative language processes and ageing [PDF]

open access: yes, 2011
Background: This paper reviews the role of deliberative processes in language: those language processes that require central resources, in contrast to the automatic processes of lexicalisation, word retrieval, and parsing.
Harley, Trevor A.   +2 more
core   +2 more sources

Relationship of Visual Cortex Function and Visual Acuity in Anisometropic Amblyopic Children

open access: yesInternational Journal of Medical Sciences, 2012
Purpose: To detect the functional deficit of the visual cortex in anisometropic amblyopia children using functional magnetic resonance imaging (fMRI) technique, and investigate the relationship between visual acuity and visual cortex function.Methods ...
Chuanming Li, Lin Cheng, Qiongwu Yu, Bing Xie, Jian Wang
doaj  

Glucose hypometabolism in the visual cortex proportional to disease severity in patients with essential blepharospasm

open access: yesNeuroImage: Clinical, 2019
Essential blepharospasm (EB) causes difficulty in eyelid opening because of involuntary movements of the orbicularis oculi muscle. Patients with EB have functional visual loss due to sustained eyelid closure. We examined cerebral glucose metabolism in 39
Yukihisa Suzuki   +3 more
doaj  

Extrastriate visual cortex reorganizes despite sequential bilateral occipital stroke: implications for vision recovery

open access: yesFrontiers in Human Neuroscience, 2015
The extent of visual cortex reorganization following injury remains controversial. We report serial functional magnetic resonance imaging (fMRI) data from a patient with sequential posterior circulation strokes occurring three weeks apart, compared with ...
Amy eBrodtmann   +3 more
doaj   +1 more source

Structural and functional alterations in the brains of patients with anisometropic and strabismic amblyopia: a systematic review of magnetic resonance imaging studies

open access: yesNeural Regeneration Research, 2023
Amblyopia is the most common cause of vision loss in children and can persist into adulthood in the absence of effective intervention. Previous clinical and neuroimaging studies have suggested that the neural mechanisms underlying strabismic amblyopia ...
Yuxia Wang, Ye Wu, Lekai Luo, Fei Li
doaj   +1 more source

Intersubject Regularity in the Intrinsic Shape of Human V1 [PDF]

open access: yes, 2007
Previous studies have reported considerable intersubject variability in the three-dimensional geometry of the human primary visual cortex (V1). Here we demonstrate that much of this variability is due to extrinsic geometric features of the cortical folds,
Augustinack, Jean C.   +11 more
core   +1 more source

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