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Elena Sokolova, Perry Groot, Tom Claassen, Kimm J van Hulzen, Jeffrey C Glennon, Barbara Franke, Tom Heskes, Jan Buitelaar
BACKGROUND: Numerous factor analytic studies consistently support a distinction between two symptom domains of attention-deficit/hyperactivity disorder (ADHD), inattention and hyperactivity/impulsivity. Both dimensions show high internal consistency and moderate to strong correlations with each other. However, it is not clear what drives this strong correlation. The aim of this paper is to address this issue. METHOD: We applied a sophisticated approach for causal discovery on three independent data sets of scores of the two ADHD dimensions in NeuroIMAGE (total N = 675), ADHD-200 (N = 245), and IMpACT (N = 164), assessed by different raters and instruments, and further used information on gender or a genetic risk haplotype...
2016: PloS One
Andrew J Flannery, Aaron M Luebbe, Stephen P Becker
OBJECTIVES: Few studies have examined sluggish cognitive tempo (SCT) in college students even though extant research suggests a higher prevalence rate of SCT symptoms in this population compared to general adult or youth samples. The current study examined SCT symptoms in relation to two domains related to college student's academic success, study skills and daily life executive functioning (EF), as well as specific domains of functional impairment. METHOD: 158 undergraduate students (Mage = 19...
October 20, 2016: Journal of Clinical Psychology
Onder Ozturk, Burge Kabukcu Basay, Ahmet Buber, Omer Basay, Huseyin Alacam, Ali Bacanlı, Şenay Görücü Yılmaz, Mehmet Emin Erdal, Hasan Herken, Eyup Sabri Ercan
OBJECTIVE: Attention-deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder that negatively affects different areas of life. We aimed to evaluate the associations between the Val66Met polymorphism of brain-derived neurotrophic factor (BDNF) and ADHD and to assess the effect of the BDNF polymorphism on the neurocognitive profile and clinical symptomatology in ADHD. METHODS: Two hundred one ADHD cases and 99 typically developing subjects (TD) between the ages of 8 and 15 years were involved in the study...
September 2016: Psychiatry Investigation
Elyse N Mowle, Shannon E Kelley, John F Edens, M Brent Donnellan, Shannon Toney Smith, Dustin B Wygant, Martin Sellbom
Inconsistent or careless responding to self-report measures is estimated to occur in approximately 10% of university research participants and may be even more common among offender populations. Inconsistent responding may be a result of a number of factors including inattentiveness, reading or comprehension difficulties, and cognitive impairment. Many stand-alone personality scales used in applied and research settings, however, do not include validity indicators to help identify inattentive response patterns...
October 17, 2016: Psychological Assessment
Dean W Beebe, Julie Field, Megan M Milller, Lauren E Miller, Elizabeth LeBlond
STUDY OBJECTIVES: Investigate whether a realistic "dose" of shortened sleep, relative to a well-rested state, causes a decline in adolescents' learning and an increase in inattentive and sleepy behaviors in a simulated classroom setting. METHODS: Eighty-seven healthy 14.0-16.9 year-olds underwent a 3-week sleep manipulation protocol, including two 5-night sleep manipulation conditions presented in a randomly counterbalanced within-subjects cross-over design. Wake time was held constant...
October 10, 2016: Sleep
Sally J Wadsworth, John C DeFries, Erik G Willcutt, Bruce F Pennington, Richard K Olson
Because of recent concerns about the replication of published results in the behavioral and biomedical sciences (Ioannidis, PLoS Medicine, Vol. 2, 2005, p. e124; Open Science Collaboration, Science, Vol. 349, 2015, p. 943; Pashler & Wagenmakers, Perspectives on Psychological Science, Vol. 7, 2012, pp. 528-530), we have conducted a replication of our recently published analyses of longitudinal reading performance and attention deficit-hyperactivity disorder data from twin pairs selected for reading difficulties (Wadsworth et al...
October 17, 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
Andrea B Schote, Martina Bonenberger, Haukur Pálmason, Christiane Seitz, Jobst Meyer, Christine M Freitag
Stress results in a variety of neuroendocrine, immune and behavioral responses and represents a risk factor for many disorders. Following exposure to stress, glucocorticoids are secreted from the adrenal cortex and act via the ligand-activated glucocorticoid receptor (GR). Several polymorphisms of the GR-encoding gene NR3C1 have been described and functionally investigated. However, the impact of these variants on complex diseases such as Attention-Deficit/Hyperactivity Disorder (ADHD) is still unclear. In this study, 251 children with ADHD, 19 affected and 35 unaffected siblings, and their parents were included in a family-based association study assessing seven common variants of NR3C1 (TthIIII_rs10052957; NR3C1-I_rs10482605; ER22/23EK_rs6189/rs6190; N363S_rs56149945; BclI_rs41423247; GR-9beta_rs6198)...
October 2, 2016: Psychiatry Research
Jana E Jones, Prabha Siddarth, Dace Almane, Suresh Gurbani, Bruce P Hermann, Rochelle Caplan
OBJECTIVE: This study identified items on the Child Behavior Checklist (CBCL) that predict those children and adolescents with epilepsy at highest risk for multiple psychiatric diagnoses. METHODS: Three hundred twenty-eight children, ages 5-18 years, and their parents participated in separate structured psychiatric interviews about the children, which yielded Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition Text Revision (DSM-IV-TR) diagnoses...
October 14, 2016: Epilepsia
Cynthia J Willner, Lisa M Gatzke-Kopp, Bethany C Bray
High rates of comorbidity are observed between internalizing and externalizing problems, yet the developmental dynamics of comorbid symptom presentations are not yet well understood. This study explored the developmental course of latent profiles of internalizing and externalizing symptoms across kindergarten, first grade, and second grade. The sample consisted of 336 children from an urban, low-income community, selected based on relatively high (61%) or low (39%) aggressive/oppositional behavior problems at school entry (64% male; 70% African American, 20% Hispanic)...
November 2016: Development and Psychopathology
Katja Kircher, Christer Ahlstrom
OBJECTIVE: To propose a driver attention theory based on the notion of driving as a satisficing and partially self-paced task and, within this framework, present a definition for driver inattention. BACKGROUND: Many definitions of driver inattention and distraction have been proposed, but they are difficult to operationalize, and they are either unreasonably strict and inflexible or suffer from hindsight bias. METHOD: Existing definitions of driver distraction are reviewed and their shortcomings identified...
October 13, 2016: Human Factors
Kimberly Giraud, Megan Pontin, Linda D Sharples, Paul Fletcher, Tim Dalgleish, Allaina Eden, David P Jenkins, Alain Vuylsteke
Introduction: Post-operative delirium remains a significant problem, particularly in the older surgical patient. Previous evidence suggests that the provision of supplementary visual feedback about ones environment via the use of a mirror may positively impact on mental status and attention (core delirium diagnostic domains). We aimed to explore whether use of an evidence-based mirrors intervention could be effective in reducing delirium and improving post-operative outcomes such as factual memory encoding of the Intensive Care Unit (ICU) environment in older cardiac surgical patients...
2016: Frontiers in Aging Neuroscience
Meghan Miller, Ana-Maria Iosif, Gregory S Young, Monique Moore Hill, Sally Ozonoff
Converging evidence suggests shared genetic underpinnings of attention deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD). Studies of infants at risk for ASD have proliferated over the past decade; the few studies that have followed these infants beyond age 3 report a range of difficulties facing a subset of these infants as they reach school age, including elevated levels of attention problems and externalizing behavior. Given this, we aimed to identify early predictors of school-age ADHD outcomes in a sample of infant siblings at risk for ASD...
October 12, 2016: Journal of Clinical Child and Adolescent Psychology
Pierluigi Cordellieri, Francesca Baralla, Fabio Ferlazzo, Roberto Sgalla, Laura Piccardi, Anna Maria Giannini
In the present study, we investigated gender-related effects on road safety attitudes in 2681 young drivers (1458 males, 54.4%; aged 18-22) who filled out several scales assessing attitudes toward road safety issues, driving behavior in specific hypothetical situations, accident risk perception, and concerns about such a risk. We focused only on young drivers to better understand the role of gender in road safety attitudes in a period of life in which risky behaviors are widespread for males and females. Indeed, there is still no agreement as to the nature of these gender differences...
2016: Frontiers in Psychology
Abigail R Mayfield, Elyse M Parke, Kimberly A Barchard, RyAnna P Zenisek, Nicholas S Thaler, Lewis M Etcoff, Daniel N Allen
Obtaining data from multiple informants provides a more comprehensive diagnostic picture in the assessment of attention deficit hyperactivity disorder (ADHD). Differences in symptom ratings have been observed between parent- and teacher-report scales, though less information is available regarding differences between mothers and fathers. To address this gap, this study examines the rater agreement between mothers and fathers on the Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) ADHD Symptom Rating Scale (DSM-ADHD-SRS)...
October 11, 2016: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
Teige C Bourke, Catherine R Lowrey, Sean P Dukelow, Stephen D Bagg, Kathleen E Norman, Stephen H Scott
BACKGROUND: Stroke can affect our ability to perform daily activities, although it can be difficult to identify the underlying functional impairment(s). Recent theories highlight the importance of sensory feedback in selecting future motor actions. This selection process can involve multiple processes to achieve a behavioural goal, including selective attention, feature/object recognition, and movement inhibition. These functions are often impaired after stroke, but existing clinical measures tend to explore these processes in isolation and without time constraints...
October 10, 2016: Journal of Neuroengineering and Rehabilitation
Angela Jones, Megan-Jane Johnstone
BACKGROUND: Failure to identify and respond to clinical deterioration is an important measure of patient safety, hospital performance and quality of care. Although studies have identified the role of patient, system and human factors in failure to rescue events, the role of 'inattentional blindness' as a possible contributing factor has been overlooked. OBJECTIVES: To explore the nature and possible patient safety implications of inattentional blindness in critical care, emergency and perioperative nursing contexts...
October 5, 2016: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
Gustavo José Luvizutto, Gabriela Rizzo Soares Rizzati, Marcelo Ortolani Fogaroli, Rodrigo Thomazi Rodrigues, Priscila Watson Ribeiro, Hélio Rubens de Carvalho Nunes, Gabriel Pereira Braga, Rafael Dalle Molle da Costa, Silméia Garcia Zanati Bazan, Luiz Antônio de Lima Resende, Adriana Bastos Conforto, Rodrigo Bazan
BACKGROUND: Unilateral spatial neglect (USN) is characterized by the inability to report or respond to people or objects that are presented in the spatial hemisphere that is contralateral to the lesioned hemisphere of the brain. USN has been associated with poor functional outcomes and long stays in hospitals and rehabilitation centers. Noninvasive brain stimulation, such as transcranial direct current stimulation (tDCS), has been used in people who have been affected by USN after stroke...
October 3, 2016: Trials
E Norén Selinus, Y Molero, P Lichtenstein, H Anckarsäter, S Lundström, M Bottai, C Hellner Gumpert
OBJECTIVE: To examine the association between different levels of childhood attention deficit hyperactivity disorder (ADHD) symptoms and sex differences in psychosocial outcomes during adolescence. METHOD: Swedish children (n = 4635) were screened for neuropsychiatric symptoms at age 9 or 12. ADHD symptoms were divided into three levels: screen-negative, screen-intermediate, and screen-positive. At follow-up (age 15), parents and teenagers filled out questionnaires regarding (i) hyperactivity/inattention, (ii) peer problems, (iii) school problems, (iv) internalizing problems, (v) antisocial behaviour, (vi) alcohol misuse, and (vii) drug misuse...
October 7, 2016: Acta Psychiatrica Scandinavica
Rebecca N Elisa, Emili Balaguer-Ballester, Benjamin A Parris
Executive function deficits have been linked to attention deficit hyperactivity disorder (ADHD), but it has been theorized that the symptom inattention is specifically related to problems with complex verbal working memory (WM). Using the Conners Adult ADHD rating scale, adults aged 18-35 were assessed for ADHD symptoms, and completed tasks designed to tap verbal and spatial aspects of WM (Experiment 1). Results showed that high inattention predicted poor performance on both simple and complex verbal WM measures...
2016: Frontiers in Psychology
A L Breeden, G J Siegle, M E Norr, E M Gordon, C J Vaidya
Autonomic activity in neurological and psychiatric disorders is often dysregulated, particularly in the context of attentional behaviors. This suggests that interplay between the autonomic nervous system and aspects of the central nervous system subserving attention may be disrupted in these conditions. Better understanding these interactions and their relationship to individual variation in attentional behaviors could facilitate development of mechanistic biomarkers. We identified brain regions defined by trait-sensitive central-autonomic coupling as a first step in this process...
October 6, 2016: European Journal of Neuroscience
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