نتایج جستجو برای: limited attentional capacity model

تعداد نتایج: 2671917  

2008

Selective attention is a most intensively studied psychological phenomenon, rife with theoretical suggestions and schisms. A critical idea is that of limited capacity, the allocation of which has produced continual conflict about such phenomena as early and late selection. An influential resolution of this debate is based on the notion of perceptual load (Lavie, 2005), which suggests that low-l...

2013
Angela Riccio Luca Simione Francesca Schettini Alessia Pizzimenti Maurizio Inghilleri Marta Olivetti Belardinelli Donatella Mattia Febo Cincotti

The purpose of this study was to investigate the support of attentional and memory processes in controlling a P300-based brain-computer interface (BCI) in people with amyotrophic lateral sclerosis (ALS). Eight people with ALS performed two behavioral tasks: (i) a rapid serial visual presentation (RSVP) task, screening the temporal filtering capacity and the speed of the update of the attentive ...

2017
Shuangyin Li Yu Zhang Rong Pan Mingzhi Mao Yang Yang

In a document, the topic distribution of a sentence depends on both the topics of preceding sentences and its own content, and it is usually affected by the topics of the preceding sentences with different weights. It is natural that a document can be treated as a sequence of sentences. Most existing works for Bayesian document modeling do not take these points into consideration. To fill this ...

2008
Peter Dayan

Selective attention is a most intensively studied psychological phenomenon, rife with theoretical suggestions and schisms. A critical idea is that of limited capacity, the allocation of which has produced continual conflict about such phenomena as early and late selection. An influential resolution of this debate is based on the notion of perceptual load (Lavie, 2005), which suggests that low-l...

Journal: :Neurophysiologie clinique = Clinical neurophysiology 2014
L Borel B Alescio-Lautier

In this paper we review the effects of aging on sensory systems and their impact on posture, balance and gait. We also address cognitive aging and attempt to specify which altered cognitive functions negatively impact balance and walking. The role of cognition in postural control is tested with dual-task experiments. This situation results in deleterious effects due to an attentional overload. ...

Journal: :Journal of personality and social psychology 2003
Jon K Maner Douglas T Kenrick D Vaughn Becker Andrew W Delton Brian Hofer Christopher J Wilbur Steven L Neuberg

Across 5 experimental studies, the authors explore selective processing biases for physically attractive others. The findings suggest that (a). both male and female observers selectively attend to physically attractive female targets, (b). limiting the attentional capacity of either gender results in biased frequency estimates of attractive females, (c). although females selectively attend to a...

Journal: :Psychological bulletin 2016
Eva Pool Tobias Brosch Sylvain Delplanque David Sander

Despite an initial focus on negative threatening stimuli, researchers have more recently expanded the investigation of attentional biases toward positive rewarding stimuli. The present meta-analysis systematically compared attentional bias for positive compared with neutral visual stimuli across 243 studies (N = 9,120 healthy participants) that used different types of attentional paradigms and ...

Journal: :Brain and cognition 2004
Barry Giesbrecht Alan Kingstone

When two masked targets are presented in a rapid sequence, correct identification of the first hinders identification of the second. This attentional blink (AB) is thought to be the result of capacity limitations in visual information processing. Neuropsychological and neuroimaging evidence implicated the right hemisphere as the source of this processing limitation. We investigated this idea by...

Journal: :Journal of behavior therapy and experimental psychiatry 2015
Judith Schäfer Hans-Ulrich Wittchen Michael Höfler Anke Heinrich Peter Zimmermann Stefan Siegel Sabine Schönfeld

BACKGROUND AND OBJECTIVES Attentional processes have been suggested to play a crucial role in resilience defined as positive adaptation facing adversity. However, research is lacking on associations between attentional biases to positive and threat-related stimuli, attentional control and trait resilience. METHODS Data stem from the follow-up assessment of a longitudinal study investigating m...

Journal: :Appetite 2011
Ruihua Hou Karin Mogg Brendan P Bradley Rona Moss-Morris Robert Peveler Anne Roefs

Cognitive and behavioural responses to food reward, such as attentional biases and overeating, have been associated with individual differences in reward-responsiveness and impulsivity. This study investigated relationships between external eating, impulsivity and attentional bias to food cues, assessed using the pictorial visual-probe task. As previously reported, attentional bias correlated p...

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