Top-down predictions in the cognitive brain

K Kveraga, AS Ghuman, M Bar - Brain and cognition, 2007 - Elsevier
The human brain is not a passive organ simply waiting to be activated by external stimuli.
Instead, we propose that the brain continuously employs memory of past experiences to …

Interventions for visual field defects in people with stroke

A Pollock, C Hazelton, FJ Rowe… - Cochrane Database …, 2019 - cochranelibrary.com
Background Visual field defects are estimated to affect 20% to 57% of people who have had
a stroke. Visual field defects can affect functional ability in activities of daily living (commonly …

Video games as a tool to train visual skills

RL Achtman, CS Green… - Restorative neurology and …, 2008 - content.iospress.com
Purpose: Adult brain plasticity, although possible, is often difficult to elicit. Training regimens
in adults can produce specific improvements on the trained task without leading to general …

Retrograde trans-synaptic retinal ganglion cell loss identified by optical coherence tomography

P Jindahra, A Petrie, GT Plant - Brain, 2009 - academic.oup.com
There is experimental evidence of trans-synaptic retrograde degeneration of retinal ganglion
cells following retrogeniculate visual pathway lesions in primate studies. Retinal nerve fibre …

Perceptual relearning of complex visual motion after V1 damage in humans

KR Huxlin, T Martin, K Kelly, M Riley… - Journal of …, 2009 - Soc Neuroscience
Damage to the adult, primary visual cortex (V1) causes severe visual impairment that was
previously thought to be permanent, yet several visual pathways survive V1 damage …

Vision restoration after brain and retina damage: the “residual vision activation theory”

BA Sabel, P Henrich-Noack, A Fedorov, C Gall - Progress in brain research, 2011 - Elsevier
Vision loss after retinal or cerebral visual injury (CVI) was long considered to be irreversible.
However, there is considerable potential for vision restoration and recovery even in …

[HTML][HTML] Spared perilesional V1 activity underlies training-induced recovery of luminance detection sensitivity in cortically-blind patients

A Barbot, A Das, MD Melnick, MR Cavanaugh… - Nature …, 2021 - nature.com
Damage to the primary visual cortex (V1) causes homonymous visual-field loss long
considered intractable. Multiple studies now show that perceptual training can restore visual …

Beyond blindsight: properties of visual relearning in cortically blind fields

A Das, D Tadin, KR Huxlin - Journal of Neuroscience, 2014 - Soc Neuroscience
Damage to the primary visual cortex (V1) or its immediate afferents results in a dense
scotoma, termed cortical blindness (CB). CB subjects have residual visual abilities, or …

Are there unconscious perceptual processes?

B Brogaard - Consciousness and cognition, 2011 - Elsevier
Blindsight and vision for action seem to be exemplars of unconscious visual processes.
However, researchers have recently argued that blindsight is not really a kind of …

Functional preservation and enhanced capacity for visual restoration in subacute occipital stroke

EL Saionz, D Tadin, MD Melnick, KR Huxlin - Brain, 2020 - academic.oup.com
Stroke damage to the primary visual cortex (V1) causes a loss of vision known as
hemianopia or cortically-induced blindness. While perimetric visual field improvements can …