Search Results - "Gouws, Andre"
-
1
Distinct and common neural coding of semantic and non-semantic control demands
Published in NeuroImage (Orlando, Fla.) (01-08-2021)“…The flexible retrieval of knowledge is critical in everyday situations involving problem solving, reasoning and social interaction. Current theories emphasise…”
Get full text
Journal Article -
2
Charting the effects of TMS with fMRI: Modulation of cortical recruitment within the distributed network supporting semantic control
Published in Neuropsychologia (01-12-2016)“…Semantic memory comprises our knowledge of the meanings of words and objects but only some of this knowledge is relevant at any given time. Thus, semantic…”
Get full text
Journal Article -
3
Context free and context-dependent conceptual representation in the brain
Published in Cerebral cortex (New York, N.Y. 1991) (15-12-2022)“…How concepts are coded in the brain is a core issue in cognitive neuroscience. Studies have focused on how individual concepts are processed, but the way in…”
Get full text
Journal Article -
4
The Emergence of Tuning to Global Shape Properties of Radial Frequency Patterns in the Ventral Visual Pathway
Published in The Journal of neuroscience (19-07-2023)“…Radial frequency (RF) patterns, created by sinusoidal modulations of a circle's radius, are processed globally when RF is low. These closed shapes therefore…”
Get full text
Journal Article -
5
Knowing what you need to know in advance: The neural processes underpinning flexible semantic retrieval of thematic and taxonomic relations
Published in NeuroImage (Orlando, Fla.) (01-01-2021)“…Semantic retrieval is flexible, allowing us to focus on subsets of features and associations that are relevant to the current task or context: for example, we…”
Get full text
Journal Article -
6
On the role of suppression in spatial attention: evidence from negative BOLD in human subcortical and cortical structures
Published in The Journal of neuroscience (30-07-2014)“…There is clear evidence that spatial attention increases neural responses to attended stimuli in extrastriate visual areas and, to a lesser degree, in earlier…”
Get full text
Journal Article -
7
Differential processing of the direction and focus of expansion of optic flow stimuli in areas MST and V3A of the human visual cortex
Published in Journal of neurophysiology (01-06-2017)“…Human neuropsychological and neuroimaging studies have raised the possibility that different attributes of optic flow stimuli, namely radial direction and the…”
Get full text
Journal Article -
8
Stimulus specific cortical activity associated with ignoring distraction during working memory encoding and maintenance
Published in Scientific reports (02-06-2023)“…Distraction disrupts Working Memory (WM) performance, but how the brain filters distraction is not known. One possibility is that neural activity associated…”
Get full text
Journal Article -
9
Triple visual hemifield maps in a case of optic chiasm hypoplasia
Published in NeuroImage (Orlando, Fla.) (15-07-2020)“…In humans, each hemisphere comprises an overlay of two visuotopic maps of the contralateral visual field, one from each eye. Is the capacity of the visual…”
Get full text
Journal Article -
10
Large-scale remapping of visual cortex is absent in adult humans with macular degeneration
Published in Nature neuroscience (01-05-2011)“…Previous work suggests that occipital pole areas corresponding to the central retina can be driven by retinal activity elsewhere when the central retina is…”
Get full text
Journal Article -
11
Specialized and independent processing of orientation and shape in visual field maps LO1 and LO2
Published in Nature neuroscience (01-03-2013)“…In the human brain, the lateral occipital area, which is thought to support object recognition, contains two separate visual field maps, LO1 and LO2. Using…”
Get full text
Journal Article -
12
An image-dependent representation of familiar and unfamiliar faces in the human ventral stream
Published in Neuropsychologia (01-05-2009)“…People are extremely proficient at recognizing faces that are familiar to them, but are much worse at matching unfamiliar faces. We used fMR-adaptation to ask…”
Get full text
Journal Article -
13
Neural Correlates of Group Bias During Natural Viewing
Published in Cerebral cortex (New York, N.Y. 1991) (22-07-2019)“…Individuals from different social groups interpret the world in different ways. This study explores the neural basis of these group differences using a…”
Get full text
Journal Article -
14
Structural changes to primary visual cortex in the congenital absence of cone input in achromatopsia
Published in NeuroImage clinical (01-01-2022)“…•Anatomy of primary visual cortex (V1) assessed with surface-based morphmetry in those with congenital achromatopsia (ACHM).•Reduction in cortical surface area…”
Get full text
Journal Article -
15
Morphometric analyses of the visual pathways in macular degeneration
Published in Cortex (01-07-2014)“…Macular degeneration (MD) causes central visual field loss. When field defects occur in both eyes and overlap, parts of the visual pathways are no longer…”
Get full text
Journal Article -
16
Neural response to modulating the probability that actions of self or other result in auditory tones: A parametric fMRI study into causal ambiguity
Published in Biological psychology (01-09-2016)“…•A parametric agency task manipulating the probability of self-other control.•Misattribution increased in ambiguous conditions.•Task-modulated regions showed a…”
Get full text
Journal Article -
17
Differences in selectivity to natural images in early visual areas (V1–V3)
Published in Scientific reports (26-05-2017)“…High-level regions of the ventral visual pathway respond more to intact objects compared to scrambled objects. The aim of this study was to determine if this…”
Get full text
Journal Article -
18
Gamma activation in young people with autism spectrum disorders and typically-developing controls when viewing emotions on faces
Published in PloS one (31-07-2012)“…Behavioural studies have highlighted irregularities in recognition of facial affect in children and young people with autism spectrum disorders (ASDs). Recent…”
Get full text
Journal Article -
19
Structural Differences Across Multiple Visual Cortical Regions in the Absence of Cone Function in Congenital Achromatopsia
Published in Frontiers in neuroscience (14-10-2021)“…Most individuals with congenital achromatopsia (ACHM) carry mutations that affect the retinal phototransduction pathway of cone photoreceptors, fundamental to…”
Get full text
Journal Article -
20
CHIASM, the human brain albinism and achiasma MRI dataset
Published in Scientific data (26-11-2021)“…We describe a collection of T1-, diffusion- and functional T2*-weighted magnetic resonance imaging data from human individuals with albinism and achiasma. This…”
Get full text
Journal Article