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Sandhu, Rajwant; Dyson, Benjamin J. – Brain and Cognition, 2013
Investigations of concurrent task and modality switching effects have to date been studied under conditions of uni-modal stimulus presentation. As such, it is difficult to directly compare resultant task and modality switching effects, as the stimuli afford both tasks on each trial, but only one modality. The current study investigated task and…
Descriptors: Children, Visual Stimuli, Task Analysis, Attention Control
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Hilti, Caroline C.; Jann, Kay; Heinemann, Doerthe; Federspiel, Andrea; Dierks, Thomas; Seifritz, Erich; Cattapan-Ludewig, Katja – Brain and Cognition, 2013
The deterioration of performance over time is characteristic for sustained attention tasks. This so-called "performance decrement" is measured by the increase of reaction time (RT) over time. Some behavioural and neurobiological mechanisms of this phenomenon are not yet fully understood. Behaviourally, we examined the increase of RT over time and…
Descriptors: Brain Hemisphere Functions, Reaction Time, Attention Control, Performance
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Correa, Angel; Miro, Elena; Martinez, M. Pilar; Sanchez, Ana I.; Lupianez, Juan – Brain and Cognition, 2011
Cognitive deficits in fibromyalgia may be specifically related to controlled processes, such as those measured by working memory or executive function tasks. This hypothesis was tested here by measuring controlled temporal preparation (temporal orienting) during a response inhibition (go no-go) task. Temporal orienting effects (faster reaction…
Descriptors: Control Groups, Inhibition, Short Term Memory, Cognitive Processes
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Lloyd, Donna M.; Azanon, Elena; Poliakoff, Ellen – Brain and Cognition, 2010
To investigate attentional shifting in perihand space, we measured performance on a covert visual orienting task under different hand positions. Participants discriminated visual shapes presented on a screen and responded using footpedals placed under their right foot. With the right hand positioned by the right side of the screen, mean cueing…
Descriptors: Attention Control, Skill Development, Task Analysis, Performance
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Prakash, Ruchika Shaurya; Erickson, Kirk I.; Colcombe, Stanley J.; Kim, Jennifer S.; Voss, Michelle W.; Kramer, Arthur F. – Brain and Cognition, 2009
We investigated the relative involvement of cortical regions supporting attentional control in older and younger adults during performance on a modified version of the Stroop task. Participants were exposed to two different types of incongruent trials. One of these, an incongruent-ineligible condition, produces conflict at the non-response level,…
Descriptors: Conflict, Attention Control, Cognitive Processes, Age Differences
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Talsma, Durk; Kok, Albert; Slagter, Heleen A.; Cipriani, Giuseppe – Brain and Cognition, 2008
This event-related potential study investigated (i) to what extent incongruence between attention-directing cue and cued target modality affects attentional control processes that bias the system in advance to favor a particular stimulus modality and (ii) to what extent top-down attentional control mechanisms are generalized for the type of…
Descriptors: Cues, Attention Control, Attention, Visual Stimuli
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Smallwood, Jonathan; McSpadden, Merrill; Luus, Bryan; Schooler, Joanthan – Brain and Cognition, 2008
Using principal component analysis, we examined whether structural properties in the time series of response time would identify different mental states during a continuous performance task. We examined whether it was possible to identify regular patterns which were present in blocks classified as lacking controlled processing, either…
Descriptors: Stimuli, Reaction Time, Factor Analysis, School Personnel
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Cellard, Caroline; Tremblay, Sebastien; Lehoux, Catherine; Roy, Marc-Andre – Brain and Cognition, 2007
Memory impairment is a core feature in schizophrenia (SZ). The aim of this study was to investigate short-term memory (STM) and its sensitivity to distraction with visual-spatial material. This study comprised 23 recent-onset SZ patients and 23 healthy controls. The degree of disruption upon recall from interleaving irrelevant items within a…
Descriptors: Patients, Spatial Ability, Schizophrenia, Short Term Memory
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Perez-Edgar, Koraly; Fox, Nathan A. – Brain and Cognition, 2007
Seven-year-old children (N=65) participating in a study of the influence of infant temperament on socioemotional development performed an auditory selective attention task involving words that varied in both affective (positive vs. negative) and social (social vs. nonsocial) content. Parent report of contemporaneous child temperament was also…
Descriptors: Personality, Attention, Attention Control, Children
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Du, Jing; Li, Jianming; Wang, Ying; Jiang, Qianjin; Livesley, W. John; Jang, Kerry L.; Wang, Kai; Wang, Wei – Brain and Cognition, 2006
Some studies of the event-related potentials demonstrated a reduction of the voluntary component P3 (P300 or P3b) in youngsters with the attention deficit/hyperactivity disorder (ADHD) or in conduct disorders (CD), and a reduction of the automatic processing component, mismatch negativity, in patients with both ADHD and CD (ADHD+CD). Recently, a…
Descriptors: Hyperactivity, Auditory Stimuli, Attention Deficit Disorders, Adolescents
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Danckert, James A.; Allman, Ava-Ann A. – Brain and Cognition, 2005
Boredom is a common experience in healthy individuals and may be elevated in various neurological or psychiatric conditions. As yet, very little is known about the cognitive or neural bases of the subjective experience of boredom. We examined temporal perception and the temporal allocation of attention in healthy individuals reporting high- or…
Descriptors: Cognitive Processes, Attention Control, Psychological Patterns, Mental Health
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Rankins, D.; Bradshaw, J. L.; Georgiou-Karistianis, N. – Brain and Cognition, 2005
Neuropsychological and neuroimaging studies implicate attentional difficulties in obsessive-compulsive disorder (OCD), but results are inconsistent due possibly to sample heterogeneity and lack of control of comorbid disorders, such as Tourette's syndrome (TS). Nevertheless, it has been suggested that OCD symptomatology may be a result of…
Descriptors: Stimuli, Neurological Impairments, Neuropsychology, Attention Control