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Priftis, Konstantinos; Albanese, Silvia; Meneghello, Francesca; Pitteri, Marco – Brain and Cognition, 2013
Arabic numerals are diffused and language-free representations of number magnitude. To be effectively processed, the digits composing Arabic numerals must be spatially arranged along a left-to-right axis. We studied one patient (AK) to show that left neglect, after right hemisphere damage, can selectively impair the computation of the spatial…
Descriptors: Spatial Ability, Brain Hemisphere Functions, Number Concepts, Neurological Impairments
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Fischer, Martin H.; Shaki, Samuel – Brain and Cognition, 2011
The commentary by Treccani and Umilta (2011) on our recent paper in this journal (Fischer et al., 2010) usefully broadens the perspective on numerical cognition for a general readership and clarifies (or raises) some fundamental issues of cognitive representation. Our response to this commentary is organized into three main sections that focus…
Descriptors: Numbers, Cognitive Processes, Spatial Ability, Association (Psychology)
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Suegami, Takashi; Laeng, Bruno – Brain and Cognition, 2013
It has been shown that the left and right cerebral hemispheres (LH and RH) respectively process qualitative or "categorical" spatial relations and metric or "coordinate" spatial relations. However, categorical spatial information could be thought as divided into two types: semantically-coded and visuospatially-coded categorical information. We…
Descriptors: Spatial Ability, Semantics, Stimuli, Brain Hemisphere Functions
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Riby, Leigh M.; Orme, Elizabeth – Brain and Cognition, 2013
In this study we quantify for the first time electrophysiological components associated with incorporating long-term semantic knowledge with visuo-spatial information using two variants of a traditional matrix patterns task. Results indicated that the matrix task with greater semantic content was associated with enhanced accuracy and RTs in a…
Descriptors: Memory, Spatial Ability, Semantics, Visual Perception
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Hocking, Darren R.; Kogan, Cary S.; Cornish, Kim M. – Brain and Cognition, 2012
Until a decade ago, it was assumed that males with the fragile X premutation were unaffected by any cognitive phenotype. Here we examined the extent to which CGG repeat toxicity extends to visuospatial functioning in male fragile X premutation carriers who are asymptomatic for a late-onset neurodegenerative disorder, fragile X-associated…
Descriptors: Short Term Memory, Genealogy, Males, Spatial Ability
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Breitberg, Alaina; Drevets, Wayne C.; Wood, Suzanne E.; Mah, Linda; Schulkin, Jay; Sahakian, Barbara J.; Erickson, Kristine – Brain and Cognition, 2013
Glucocorticoid administration has been shown to exert complex effects on cognitive and emotional processing. In the current study we investigated the effects of glucocorticoid administration on attention towards emotional words, using an Affective Go/No-go task on which healthy humans have shown an attentional bias towards positive as compared to…
Descriptors: Stimuli, Cognitive Processes, Reaction Time, Short Term Memory
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Michimata, Chikashi; Saneyoshi, Ayako; Okubo, Matia; Laeng, Bruno – Brain and Cognition, 2011
Participants made categorical or coordinate spatial judgments on the global or local elements of shapes. Stimuli were composed of a horizontal line and two dots. In the Categorical task, participants judged whether the line was above or below the dots. In the Coordinate task, they judged whether the line would fit between the dots. Stimuli were…
Descriptors: Visual Stimuli, Computer Simulation, Spatial Ability, Attention
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Holmes, Kevin J.; Lourenco, Stella F. – Brain and Cognition, 2011
Converging behavioral and neural evidence suggests that numerical representations are mentally organized in left-to-right orientation. Here we show that this format of spatial organization extends to emotional expression. In Experiment 1, right-side responses became increasingly faster as number (represented by Arabic numerals) or happiness…
Descriptors: Responses, Stimuli, Brain Hemisphere Functions, Psychological Patterns
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Vidal, Julie; Mills, Travis; Pang, Elizabeth W.; Taylor, Margot J. – Brain and Cognition, 2012
Inhibition is a core executive function reliant on the frontal lobes that shows protracted maturation through to adulthood. We investigated the spatiotemporal characteristics of response inhibition during a visual go/no-go task in 14 teenagers and 14 adults using magnetoencephalography (MEG) and a contrast between two no-go experimental conditions…
Descriptors: Inhibition, Adolescents, Spatial Ability, Cognitive Processes
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Propper, Ruth E.; Brunye, Tad T.; Christman, Stephen D.; Januszewskia, Ashley – Brain and Cognition, 2012
Based on their specialized processing abilities, the left and right hemispheres of the brain may not contribute equally to recall of general world knowledge. US college students recalled the verbal names and spatial locations of the 50 US states while sustaining leftward or rightward unilateral gaze, a procedure that selectively activates the…
Descriptors: College Students, Brain Hemisphere Functions, Memory, Specialization
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Williamson, Victoria J.; Cocchini, Gianna; Stewart, Lauren – Brain and Cognition, 2011
Congenital amusia manifests as a lifelong difficulty in making sense of musical sound. The extent to which this disorder is accompanied by deficits in visuo-spatial processing is an important question, bearing on the issue of whether pitch processing draws on supramodal spatial representations. The present study assessed different aspects of…
Descriptors: Music Education, Intonation, Learning Problems, Music
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Page, Jonathan W.; Duhamel, Paul; Crognale, Michael A. – Brain and Cognition, 2011
Recent neuroimaging research suggests that early visual processing circuits are activated similarly during visualization and perception but have not demonstrated that the cortical activity is similar in character. We found functional equivalency in cortical activity by recording evoked potentials while color and luminance patterns were viewed and…
Descriptors: Imagery, Visualization, Spatial Ability, Diagnostic Tests
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Nagai, Chiyoko; Inui, Toshio; Iwata, Makoto – Brain and Cognition, 2011
Williams syndrome (WS) is a neurodevelopmental disorder characterized by severe impairment of visuospatial abilities. Figure-drawing abilities, which are thought to reflect visuospatial abilities, have yet to be fully investigated in WS. The purpose of the present study was to clarify whether drawing abilities differ between WS individuals and…
Descriptors: Neurological Impairments, Genetic Disorders, Visual Impairments, Spatial Ability
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Rahman, Qazi; Newland, Cherie; Smyth, Beatrice Mary – Brain and Cognition, 2011
Prior research has demonstrated robust sex and sexual orientation-related differences in object location memory in humans. Here we show that this sexual variation may depend on the spatial position of target objects and the task-specific nature of the spatial array. We tested the recovery of object locations in three object arrays (object…
Descriptors: Sexual Orientation, Memory, Homosexuality, Spatial Ability
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Fingelkurts, Andrew A.; Fingelkurts, Alexander A. – Brain and Cognition, 2011
Based on the theoretical analysis of self-consciousness concepts, we hypothesized that the spatio-temporal pattern of functional connectivity within the default-mode network (DMN) should persist unchanged across a variety of different cognitive tasks or acts, thus being task-unrelated. This supposition is in contrast with current understanding…
Descriptors: Perspective Taking, Cognitive Processes, Brain, Comparative Analysis
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