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Stevenson, Hugh; Russell, Paul N.; Helton, William S. – Brain and Cognition, 2011
In the present experiment, we used search asymmetry to test whether the sustained attention to response task is a better measure of response inhibition or sustained attention. Participants performed feature present and feature absent target detection tasks using either a sustained attention to response task (SART; high Go low No-Go) or a…
Descriptors: Responses, Inhibition, Attention, Arousal Patterns
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
Carlson, Joshua M.; Reinke, Karen S. – Brain and Cognition, 2010
Facial expressions are a basic form of non-verbal communication that convey important social information to others. The relevancy of this information is highlighted by findings that backward masked facial expressions facilitate spatial attention. This attention effect appears to be mediated through a neural network consisting of the amygdala,…
Descriptors: Attention, Spatial Ability, Nonverbal Communication, Fear
MacLean, Mary H.; Arnell, Karen M.; Cote, Kimberly A. – Brain and Cognition, 2012
Accuracy for a second target (T2) is reduced when it is presented within 500 ms of a first target (T1) in a rapid serial visual presentation (RSVP)--an attentional blink (AB). There are reliable individual differences in the magnitude of the AB. Recent evidence has shown that the attentional approach that an individual typically adopts during a…
Descriptors: Evidence, Individual Differences, Attention, Eye Movements
Engelhardt, Paul E.; Demiral, S. Baris; Ferreira, Fernanda – Brain and Cognition, 2011
Speakers often include extra information when producing referring expressions, which is inconsistent with the Maxim of Quantity (Grice, 1975). In this study, we investigated how comprehension is affected by unnecessary information. The literature is mixed: some studies have found that extra information facilitates comprehension and others reported…
Descriptors: Brain Hemisphere Functions, Cognitive Processes, Language Processing, Attention
Spotorno, Sara; Faure, Sylvane – Brain and Cognition, 2011
What accounts for the Right Hemisphere (RH) functional superiority in visual change detection? An original task which combines one-shot and divided visual field paradigms allowed us to direct change information initially to the RH or the Left Hemisphere (LH) by deleting, respectively, an object included in the left or right half of a scene…
Descriptors: Intervals, Semantics, Visual Perception, Brain Hemisphere Functions
Zhou, Shan-shan; Fan, Jin; Lee, Tatia M. C.; Wang, Chang-qing; Wang, Kai – Brain and Cognition, 2011
Previous studies suggest that aging is associated with impairment of attention. However, it is not known whether this represents a global attentional deficit or relates to a specific attentional network. We used the attention network test to examine three groups of younger, middle-aged, and older participants with respect to the efficiency of…
Descriptors: Reaction Time, Older Adults, Age Differences, Attention
Correa, Angel; Trivino, Monica; Perez-Duenas, Carolina; Acosta, Alberto; Lupianez, Juan – Brain and Cognition, 2010
Temporal preparation and impulsivity involve overlapping neural structures (prefrontal cortex) and cognitive functions (response inhibition and time perception), however, their interrelations had not been investigated. We studied such interrelations by comparing the performance of groups with low vs. high non-clinical trait impulsivity during a…
Descriptors: Conceptual Tempo, Cues, Intervals, Inhibition
Uono, Shota; Sato, Wataru; Toichi, Motomi – Brain and Cognition, 2009
Although impaired joint attention is one of the core clinical features of pervasive developmental disorder including autistic disorder and Asperger's disorder, experimental studies failed to report its impairment. This discrepancy might be the result of differences between real-life and experimental situations. The present study examined joint…
Descriptors: Cues, Reaction Time, Autism, Asperger Syndrome
Castro-Barros, B. A.; Righi, L. L.; Grechi, G.; Ribeiro-do-Valle, L. E. – Brain and Cognition, 2008
Evidence exists that both right and left hemisphere attentional mechanisms are mobilized when attention is directed to the right visual hemifield and only right hemisphere attentional mechanisms are mobilized when attention is directed to the left visual hemifield. This arrangement might lead to a rightward bias of automatic attention. The…
Descriptors: Reaction Time, Brain Hemisphere Functions, Attention, Bias
Van Gerven, Pascal W.M.; Meijer, Willemien A.; Jolles, Jelle – Brain and Cognition, 2007
In this experimental study, effects of age and education on switching focal attention in working memory were investigated among 44 young (20-30 years) and 40 middle-aged individuals (50-60 years). To this end, a numeric n-back task comprising two lag conditions (1- and 2-back) was administered within groups. The results revealed a comparable…
Descriptors: Attention, Short Term Memory, Reaction Time, Age Differences
Sagaspe, Patricia; Sanchez-Ortuno, Montserrat; Charles, Andre; Taillard, Jacques; Valtat, Cedric; Bioulac, Bernard; Philip, Pierre – Brain and Cognition, 2006
The aim of this study was principally to assess the impact of sleep deprivation on interference performance in short Stroop tasks (Color-Word, Emotional, and Specific) and on subjective anxiety. Subjective sleepiness and performance on a psychomotor sustained attention task were also investigated to validate our protocol of sleep deprivation.…
Descriptors: Sleep, Attention, Anxiety, Psychomotor Skills
Cagigas, Xavier E.; Vincent Filoteo, J.; Stricker, John L.; Rilling, Laurie M.; Friedrich, Frances J. – Brain and Cognition, 2007
Parkinson's disease (PD) patients and healthy controls were administered a flanker task that consisted of the presentation of colored targets and distractors. Participants were required to attend to the center target and identify its color. The stimulus displays were either congruent (i.e., the target and flankers were the same color) or…
Descriptors: Patients, Intervals, Diseases, Reaction Time
Okada, Takashi; Sato, Wataru; Toichi, Motomi – Brain and Cognition, 2006
Recent findings suggest a right hemispheric dominance in gaze-triggered shifts of attention. The aim of this study was to clarify the dominant hemisphere in the gaze processing that mediates attentional shift. A target localization task, with preceding non-predicative gaze cues presented to each visual field, was undertaken by 44 healthy subjects,…
Descriptors: Brain Hemisphere Functions, Attention, Cues, Reaction Time
Bar-Haim, Yair; Lamy, Dominique; Glickman, Shlomit – Brain and Cognition, 2005
Accumulating evidence suggests the existence of a processing bias in favor of threat-related stimulation in anxious individuals. Using behavioral and ERP measures, the present study investigated the deployment of attention to face stimuli with different emotion expressions in high-anxious and low-anxious participants. An attention-shifting…
Descriptors: Cues, Reaction Time, Anxiety, Models