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Arduino, Lisa S.; Previtali, Paola; Girelli, Luisa – Neuropsychologia, 2010
English and German readers have been shown to mark a position to the left of the true centre as the subjective midpoint in word bisection. This effect resembles a well-known phenomenon observed with the bisection of solid lines (pseudoneglect), although this behavioural similarity does not imply a common origin. The purpose of the present study…
Descriptors: Visual Stimuli, Word Frequency, English, German
Sosa, Yamaya; Teder-Salejarvi, Wolfgang A.; McCourt, Mark E. – Brain and Cognition, 2010
Neurologically normal observers misperceive the midpoint of horizontal lines as systematically "leftward" of veridical center, a phenomenon known as pseudoneglect. Pseudoneglect is attributed to a tonic asymmetry of visuospatial attention favoring left hemispace. Whereas visuospatial attention is biased toward left hemispace, some evidence…
Descriptors: Auditory Stimuli, Intervals, Spatial Ability, Attention
de Carvalho, Marilia Pinhiero; Machado, Armando – Journal of the Experimental Analysis of Behavior, 2012
When subjects learn to associate two sample durations with two comparison keys, do they learn to associate the keys with the short and long samples (relational hypothesis), or with the specific sample durations (absolute hypothesis)? We exposed 16 pigeons to an ABA design in which phases A and B corresponded to tasks using samples of 1 s and 4 s,…
Descriptors: Prediction, Stimulus Generalization, Experimental Psychology, Behavioral Science Research
Kopec, Charles D.; Brody, Carlos D. – Brain and Cognition, 2010
The perception and processing of temporal information are tasks the brain must continuously perform. These include measuring the duration of stimuli, storing duration information in memory, recalling such memories, and comparing two durations. How the brain accomplishes these tasks, however, is still open for debate. The temporal bisection task,…
Descriptors: Stimuli, Time, Memory, Brain
Zelanti, Pierre S.; Droit-Volet, Sylvie – Journal of Experimental Child Psychology, 2012
Adults and children (5- and 8-year-olds) performed a temporal bisection task with either auditory or visual signals and either a short (0.5-1.0s) or long (4.0-8.0s) duration range. Their working memory and attentional capacities were assessed by a series of neuropsychological tests administered in both the auditory and visual modalities. Results…
Descriptors: Visual Stimuli, Auditory Stimuli, Short Term Memory, Adults
Gebuis, Titia; Gevers, Wim – Cognition, 2011
de Hevia and Spelke (de Hevia and Spelke (2009). Spontaneous mapping of number and space in adults and young children, "Cognition, 110", 198-207) investigated the mapping of number onto space. To this end, they introduced a non-symbolic flanker task. Here subjects have to bisect a line that is flanked by a 2-dot and a 9-dot array. Similar to the…
Descriptors: Cues, Cognitive Processes, Investigations, Cognitive Mapping
Waldie, Karen E.; Hausmann, Markus – Neuropsychologia, 2010
Visual line bisection is a reliable and valid laterality task that is typically used with patients with acquired brain damage to assess right hemisphere functioning. Neurologically normal individuals tend to bisect lines to the left of the objective midline whereas those with right parietal damage bisect lines to the right. In this study children…
Descriptors: Brain Hemisphere Functions, Neurological Impairments, Dyslexia, Pathology
Jozefowiez, J.; Staddon, J. E. R.; Cerutti, D. T. – Psychological Review, 2009
The authors propose a simple behavioral economic model (BEM) describing how reinforcement and interval timing interact. The model assumes a Weber-law-compliant logarithmic representation of time. Associated with each represented time value are the payoffs that have been obtained for each possible response. At a given real time, the response with…
Descriptors: Intervals, Metacognition, Reinforcement, Time
Cattaneo, Zaira; Fantino, Micaela; Tinti, Carla; Pascual-Leone, Alvaro; Silvanto, Juha; Vecchi, Tomaso – Journal of Experimental Psychology: Human Perception and Performance, 2011
Our representation of peripersonal space does not always accurately reflect the physical world. An example of this is "pseudoneglect", a phenomenon in which neurologically normal individuals bisect to the left of the veridical midpoint, reflecting an overrepresentation of the left portion of space compared with the right one. Consistent biases…
Descriptors: Adults, Blindness, Comparative Analysis, Vision
de Hevia, Maria Dolores – Cognition, 2011
Past research showing a bias towards the larger non-symbolic number by adults and children in line bisection tasks (de Hevia & Spelke, 2009) has been challenged by Gebuis and Gevers, suggesting that area subtended by the stimulus and not number is responsible for the biases. I review evidence supporting the idea that although sensitivity to number…
Descriptors: Evidence, Cues, Form Classes (Languages), Adults
Pia, Lorenzo; Corazzini, Luca Latini; Folegatti, Alessia; Gindri, Patrizia; Cauda, Franco – Brain and Cognition, 2009
A right-neglect patient with focal left-hemisphere damage to the posterior superior parietal lobe was assessed for numerical knowledge and tested on the bisection of numerical intervals and visual lines. The semantic and verbal knowledge of numbers was preserved, whereas the performance in numerical tasks that strongly emphasize the visuo-spatial…
Descriptors: Intervals, Semantics, Patients, Semiotics
Longo, Matthew R.; Lourenco, Stella F. – Brain and Cognition, 2010
Much evidence suggests that common posterior parietal mechanisms underlie the orientation of attention in physical space and along the "mental number line." For example, the small leftward bias ("pseudoneglect") found in paper-and-pencil line bisection is also found when participants "bisect" number pairs, estimating (without calculating) the…
Descriptors: Computation, Number Concepts, Stimuli, Task Analysis
Mohr, C.; Leonards, U. – Neuropsychologia, 2007
When bisecting words in their middle, people reveal leftward bisection errors. This tendency might emerge from an attentional bias towards the beginning of the word. However, when longer meaningless letter strings are presented, people reveal a rightward bisection bias. To test the role of semantic information on leftward or rightward bisection…
Descriptors: Brain Hemisphere Functions, Semantics, Reading Strategies, Attention
Allman, Melissa J.; DeLeon, Iser G. – American Journal on Intellectual and Developmental Disabilities, 2011
Perception of time, in the seconds to minutes range, is not well characterized in autism. The required interval timing system (ITS) develops at the same stages during infancy as communication, social reciprocity, and other cognitive and behavioral functions. The authors used two versions of a temporal bisection procedure to study the perception of…
Descriptors: Autism, Time Perspective, Psychological Evaluation, Differences
Kazandjian, Seta; Cavezian, Celine; Zivotofsky, Ari Z.; Chokron, Sylvie – Neuropsychologia, 2010
Calabria and Rossetti (2005) demonstrated that spatial biases related to the mental number line can be seen even when bisecting strings of number words. Strings of smaller magnitude number words were bisected further to the left than strings of larger magnitude number words. The current study investigated whether the left-to-right mental number…
Descriptors: Semitic Languages, English, Reading, Numbers