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Li, Xiaobo; Sroubek, Ariane; Kelly, Mary S.; Lesser, Iris; Sussman, Elyse; He, Yong; Branch, Craig; Foxe, John J. – Journal of the American Academy of Child & Adolescent Psychiatry, 2012
Objective: The neurobiological basis of inattentiveness, a core feature of attention-deficit/hyperactivity disorder (ADHD), is not yet well understood. Structural abnormalities in thalamus, especially the pulvinar nuclei, have recently been reported in ADHD. Pulvinar nuclei maintain reciprocal connections with cortical/subcortical areas, and play…
Descriptors: Attention Deficit Hyperactivity Disorder, Attention Span, Brain Hemisphere Functions, Neurological Impairments
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Manouilenko, Irina; Pagani, Marco; Stone-Elander, Sharon; Odh, Richard; Brolin, Fredrik; Hatherly, Robert; Jacobsson, Hans; Larsson, Stig A.; Bejerot, Susanne – Research in Autism Spectrum Disorders, 2013
The resting regional cerebral blood flow (rCBF) patterns related to co-occurring symptoms such as inattention, hyperactivity, neurological soft signs and motor problems have not yet been disclosed in autism spectrum disorders (ASD). In this study thirteen adults with ASD and ten matched neurotypical controls underwent PET. The scores of rating…
Descriptors: Intelligence, Rating Scales, Attention Deficit Hyperactivity Disorder, Autism
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Gau, Susan Shur-Fen; Chiang, Huey-Ling – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Deficits in short-term memory are common in adolescents with attention-deficit/hyperactivity disorder (ADHD), but their current ADHD symptoms cannot well predict their short-term performance. Taking a developmental perspective, we wanted to clarify the association between ADHD symptoms at early childhood and short-term memory in late childhood and…
Descriptors: Attention Deficit Hyperactivity Disorder, Measures (Individuals), Severity (of Disability), Data Analysis
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Hocking, Darren R.; Thomas, Daniel; Menant, Jasmine C.; Porter, Melanie A.; Smith, Stuart; Lord, Stephen R.; Cornish, Kim M. – Developmental Science, 2013
Previous studies suggest that individuals with Williams syndrome (WS), a rare genetically based neurodevelopmental disorder, show specific weaknesses in visual attention and response inhibition within the visuospatial domain. Here we examine the extent to which impairments in attentional control extend to the visuomotor domain using a…
Descriptors: Mental Retardation, Genetic Disorders, Inhibition, Control Groups
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Miller, Meghan; Hanford, Russell B.; Fassbender, Catherine; Duke, Marshall; Schweitzer, Julie B. – Journal of Attention Disorders, 2011
Objective: This study compared affect recognition abilities between adults with and without ADHD. Method: The sample consisted of 51 participants (34 men, 17 women) divided into 3 groups: ADHD-combined type (ADHD-C; n = 17), ADHD-predominantly inattentive type (ADHD-I; n = 16), and controls (n = 18). The mean age was 34 years. Affect recognition…
Descriptors: Control Groups, Attention Deficit Hyperactivity Disorder, Adults, Affective Behavior
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Poynter, William; Ingram, Paul; Minor, Scott – Brain and Cognition, 2010
The purpose of this study was to determine whether an index of self-reported attention deficits predicts the pattern of visual field asymmetries observed in behavioral measures of attention. Studies of "normal" subjects do not present a consistent pattern of asymmetry in attention functions, with some studies showing better left visual field (LVF)…
Descriptors: Rating Scales, Visual Perception, Task Analysis, Attention Deficit Hyperactivity Disorder
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Rapport, Mark D.; Bolden, Jennifer; Kofler, Michael J.; Sarver, Dustin E.; Raiker, Joseph S.; Alderson, R. Matt – Journal of Abnormal Child Psychology, 2009
Hyperactivity is currently considered a core and ubiquitous feature of attention-deficit/hyperactivity disorder (ADHD); however, an alternative model challenges this premise and hypothesizes a functional relationship between working memory (WM) and activity level. The current study investigated whether children's activity level is functionally…
Descriptors: Attention Deficit Hyperactivity Disorder, Short Term Memory, Males, Symptoms (Individual Disorders)
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Gropper, Rachel J.; Tannock, Rosemary – Journal of Attention Disorders, 2009
Objective: To investigate working memory (WM), academic achievement, and their relationship in university students with attention-deficit/hyperactivity disorder (ADHD). Method: Participants were university students with previously confirmed diagnoses of ADHD (n = 16) and normal control (NC) students (n = 30). Participants completed 3…
Descriptors: Grade Point Average, Academic Achievement, Attention Deficit Hyperactivity Disorder, Short Term Memory
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Mehta, Mitul A.; Goodyer, Ian M.; Sahakian, Barbara J. – Journal of Child Psychology and Psychiatry, 2004
Objective: Catecholamine stimulant drugs are highly efficacious treatments for attention deficit/hyperactivity disorders (AD/HD). Catecholamine modulation in humans influences performance of numerous cognitive tasks, including tests of attention and working memory (WM). Clear delineation of the effects of methylphenidate upon such cognitive…
Descriptors: Attention Deficit Hyperactivity Disorder, Stimulants, Short Term Memory, Recognition (Psychology)