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Sluggish Cognitive Tempo

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150 papers 100 to 500 followers A collection of all papers published to date on the newly proposed diagnosis of SCT, plus several papers on complementary and peripheral issues.
https://www.readbyqxmd.com/read/29608992/central-fatigue-theory-and-endurance-exercise-toward-an-interoceptive-model
#1
REVIEW
Terry McMorris, Martin Barwood, Jo Corbett
We propose a model of exercise-induced central fatigue based on interoception and motivation. Predictions of the expected sensory feedback are fed forward by the dorsolateral (DL) prefrontal cortex (PFC) to the anterior insula cortex (AIC). During exercise, the AIC receives feedback from lamina Ⅰ lateral spinothalamic and nucleus tractus solitarii medullothalamic pathways. The feedback is compared to the predictions in order to generate a current awareness state, which is forwarded to the anterior cingulate cortex (ACC), ventromedial (VM)PFC and lateral (L)PFC...
October 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/30153929/suicidal-behaviors-in-college-students-frequency-sex-differences-and-mental-health-correlates-including-sluggish-cognitive-tempo
#2
Stephen P Becker, Alex S Holdaway, Aaron M Luebbe
PURPOSE: To (1) describe rates of suicidal behaviors in a sample of college students, (2) evaluate sex differences, and (3) provide a preliminary examination of the unique association of sluggish cognitive tempo (SCT) symptoms and other mental health dimensions in relation to suicidal behaviors in college students. METHODS: Participants were 1,704 college students from two universities who completed measures assessing mental health symptoms and suicidal behaviors (i...
August 2018: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/29957822/differential-impact-of-trait-sluggish-cognitive-tempo-and-adhd-inattention-in-early-childhood-on-adolescent-functioning
#3
Stephen P Becker, G Leonard Burns, Daniel R Leopold, Richard K Olson, Erik G Willcutt
BACKGROUND: Sluggish cognitive tempo (SCT) is distinct from attention-deficit/hyperactivity disorder inattention (ADHD-IN) and concurrently associated with a range of impairment domains. However, few longitudinal studies have examined SCT as a longitudinal predictor of adjustment. Studies to date have all used a relatively short longitudinal time span (6 months to 2 years) and only rating scale measures of adjustment. Using a prospective, multi-method design, this study examined whether SCT and ADHD-IN were differentially associated with functioning over a 10-year period between preschool and the end of ninth grade...
June 29, 2018: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/30022803/sluggish-cognitive-tempo-symptoms-contribute-to-heterogeneity-in-adult-attention-deficit-hyperactivity-disorder
#4
Jaclyn M Kamradt, Allison M Momany, Molly A Nikolas
Attention-deficit hyperactivity disorder (ADHD) persists into adulthood in over 50% of cases, although its associated symptom profiles, comorbid problems, and neuropsychological deficits change substantially across development. Sluggish cognitive tempo (SCT) symptoms may contribute to associations between ADHD and comorbid problems and may partially explain the substantial heterogeneity observed in its correlates. 349 adults aged 18-38 years (M = 23.2, SD = 4.5, 54.7% male, 61.03% with ADHD) completed a multi-informant diagnostic procedure and a comprehensive neuropsychological battery...
June 2018: Journal of Psychopathology and Behavioral Assessment
https://www.readbyqxmd.com/read/30024295/sluggish-cognitive-tempo-in-adults-referred-for-an-adhd-evaluation-a-psychometric-analysis-of-self-and-collateral-report
#5
Jessica R Lunsford-Avery, Scott H Kollins, John T Mitchell
OBJECTIVE: Sluggish cognitive tempo (SCT) symptoms uniquely contribute to psychiatric and functional outcomes in child samples; however, the psychometric properties of SCT measures among adult outpatients are unknown. METHOD: Adults ( n = 124) presenting for an ADHD evaluation provided self- and collateral report of SCT symptoms. RESULTS: The SCT scale had good internal consistency and yielded three factors across raters: Slow/Daydreamy, Sleepy/Sluggish, and Low Initiation/Persistence...
July 1, 2018: Journal of Attention Disorders
https://www.readbyqxmd.com/read/30027330/ex-gaussian-frequency-and-reward-analyses-reveal-specificity-of-reaction-time-fluctuations-to-adhd-and-not-autism-traits
#6
Nicoletta Adamo, John Hodsoll, Philip Asherson, Jan K Buitelaar, Jonna Kuntsi
Both attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) have been linked to increased reaction time variability (RTV), a marker of attentional fluctuation. Here we test whether specificity to either trait emerges when we examine (1) detailed ex-Gaussian and frequency RTV subcomponents, (2) effects while controlling for the other trait and (3) improvement in the RTV measures following rewards or a faster event rate. 1110 children aged 7-10 years from a population-based sample completed a Go/No-Go task under three conditions (slow, fast and incentives)...
July 19, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29781345/sluggish-cognitive-tempo-predicts-academic-fluency-beyond-contributions-of-core-academic-skills-attention-and-motor-speed
#7
Lisa A Jacobson, E Mark Mahone
OBJECTIVE: Sluggish Cognitive Tempo (SCT) is a distinct behavioral phenotype characterized by such symptoms as being slow to complete tasks, appearing drowsy or sleepy, and lacking initiative. Subcomponents of SCT appear differentially associated with inattention symptoms and child outcomes. Much of the work in this area has examined associations between SCT symptoms and ratings of behavior; few studies have examined associations with child performance. METHOD: We examined associations between SCT and timed reading and math skills in 247 referred youth ( M age = 11...
May 1, 2018: Journal of Attention Disorders
https://www.readbyqxmd.com/read/29700714/advancing-the-multi-informant-assessment-of-sluggish-cognitive-tempo-child-self-report-in-relation-to-parent-and-teacher-ratings-of-sct-and-impairment
#8
Belén Sáez, Mateu Servera, G Leonard Burns, Stephen P Becker
Despite increasing interest in sluggish cognitive tempo (SCT) in children and advancements in its measurement, little research has examined child self-reported SCT. Child self-report of SCT is important for the multi-informant assessment of SCT. The current study used a large, school-based sample of children and a multi-informant design to examine child self-reported SCT using the Child Concentration Inventory - Version 2 (CCI-2) which was recently revised based on meta-analytic findings and parallels the item content of validated parent and teacher rating scales...
April 27, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29702087/out-of-focus-brain-attention-control-deficits-in-adult-adhd
#9
Juha Salmi, Viljami Salmela, Emma Salo, Katri Mikkola, Sami Leppämäki, Pekka Tani, Laura Hokkanen, Marja Laasonen, Jussi Numminen, Kimmo Alho
Modern environments are full of information, and place high demands on the attention control mechanisms that allow the selection of information from one (focused attention) or multiple (divided attention) sources, react to changes in a given situation (stimulus-driven attention), and allocate effort according to demands (task-positive and task-negative activity). We aimed to reveal how attention deficit hyperactivity disorder (ADHD) affects the brain functions associated with these attention control processes in constantly demanding tasks...
August 1, 2018: Brain Research
https://www.readbyqxmd.com/read/29706908/event-related-potential-erp-correlates-of-performance-monitoring-in-adults-with-attention-deficit-hyperactivity-disorder-adhd
#10
Lynn Marquardt, Heike Eichele, Astri J Lundervold, Jan Haavik, Tom Eichele
Introduction: Attention-deficit hyperactivity disorder (ADHD) is one of the most frequent neurodevelopmental disorders in children and tends to persist into adulthood. Evidence from neuropsychological, neuroimaging, and electrophysiological studies indicates that alterations of error processing are core symptoms in children and adolescents with ADHD. To test whether adults with ADHD show persisting deficits and compensatory processes, we investigated performance monitoring during stimulus-evaluation and response-selection, with a focus on errors, as well as within-group correlations with symptom scores...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29543471/sluggish-cognitive-tempo-and-student-teacher-relationship-quality-short-term-longitudinal-and-concurrent-associations
#11
Alex S Holdaway, Stephen P Becker
Although sluggish cognitive tempo (SCT) is associated with poorer peer functioning, no study has examined SCT in relation to student-teacher relationship quality. The current study examined whether SCT, as rated by both teachers and children, was uniquely associated with poorer student-teacher relationship quality above and beyond child demographics and other mental health symptoms (i.e., attention-deficit/hyperactivity disorder [ADHD], oppositional defiant disorder/conduct disorder [ODD/CD], anxiety/depression)...
March 15, 2018: School Psychology Quarterly
https://www.readbyqxmd.com/read/29602533/the-neurocognitive-nature-of-children-with-adhd-comorbid-sluggish-cognitive-tempo-might-sct-be-a-disorder-of-vigilance
#12
Muharrem Burak Baytunca, Sevim Berrin Inci, Melis Ipci, Burcu Kardas, Gul Unsel Bolat, Eyup Sabri Ercan
Sluggish Cognitive Tempo (SCT) refers to a clinical construct including several symptoms such as sluggishness, absentmindedness, low energy. In the present study, we compared neurocognitive laboratory outcomes of ADHD children with or without SCT. METHOD: The CNS Vital Signs Battery was utilized to measure neurocognitive measure of the participants. The SCT+ADHD group comprised of 42 subjects, ADHD group was 41 subjects and control group was 24 subjects. RESULTS: The cognitive flexibility score was found to be more severely impaired in ADHD children with SCT in comparison to the ADHD-only...
March 21, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29553294/evaluation-of-the-interplay-between-homework-motivation-and-sluggish-cognitive-tempo-in-youth-with-adhd-associations-with-homework-performance
#13
Zoe R Smith, Rosanna P Breaux, Cathrin D Green, Joshua M Langberg
OBJECTIVE: This study evaluated which Sluggish Cognitive Tempo (SCT) factors (i.e., Slow, Sleepy, Daydreamer) are most strongly associated with homework motivation, and whether homework motivation mediates the path between SCT and academic impairment. METHOD: Participants were 285 middle school students (boys 209) in Grades 6 to 8 (ages 10-15 years) who were comprehensively diagnosed with ADHD. RESULTS: Parent- and self-report of SCT Slow behaviors predicted homework motivation above and beyond symptoms of ADHD, oppositional defiant disorder (ODD), anxiety, depression, and intelligence...
March 1, 2018: Journal of Attention Disorders
https://www.readbyqxmd.com/read/29524018/advancing-the-study-of-sluggish-cognitive-tempo-via-dsm-rdoc-and-hierarchical-models-of-psychopathology
#14
REVIEW
Stephen P Becker, Erik G Willcutt
Sluggish cognitive tempo (SCT) is separable from attention-deficit/hyperactivity disorder (ADHD) and other psychopathologies, and growing evidence demonstrates SCT to be associated with impairment in both children and adults. However, it remains unclear how SCT should optimally be conceptualized. In this article, we argue that multiple models of psychopathology should be leveraged to make substantive advances to our understanding of SCT. Both categorical and dimensional approaches should be used, including the Diagnostic and Statistical Manual of Mental Disorders (DSM) nosology, the Research Domain Criteria (RDoC) initiative, and hierarchical models of psychopathology...
March 10, 2018: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29489078/sluggish-cognitive-tempo-as-a-possible-predictor-of-methylphenidate-response-in-children-with-adhd-a-randomized-controlled-trial
#15
Tanya E Froehlich, Stephen P Becker, Todd G Nick, William B Brinkman, Mark A Stein, James Peugh, Jeffery N Epstein
OBJECTIVE: To examine whether sluggish cognitive tempo (SCT) symptomatology moderates dose response to methylphenidate and whether the impact of SCT on medication response is distinct from attention-deficit/hyperactivity disorder (ADHD) subtype effects. METHODS: Stimulant-naive children with ADHD predominantly inattentive type (ADHD-I; n = 126) or ADHD combined type (ADHD-C; n = 45) aged 7-11 years were recruited from the community from September 2006 to June 2013 to participate in a prospective, randomized, double-blind, 4-week crossover trial of long-acting methylphenidate...
March 2018: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29452000/optimal-items-for-assessing-sluggish-cognitive-tempo-in-children-across-mother-father-and-teacher-ratings
#16
Belén Sáez, Mateu Servera, Stephen P Becker, G Leonard Burns
A recent meta-analysis identified optimal items for assessing sluggish cognitive tempo (SCT) as distinct from attention deficit/hyperactivity disorder inattention (ADHD-IN), and a preliminary study with teacher ratings of children in the United States found strong support for the convergent and discriminant validity of 15 SCT items. The current study evaluated whether the same 15 SCT items demonstrated convergent and discriminant validity from ADHD-IN in a large, community-based sample of children in Spain, and whether validity results were replicated across mother, father, and teacher ratings...
February 16, 2018: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/29450820/overlapping-and-distinct-cognitive-impairments-in-attention-deficit-hyperactivity-and-autism-spectrum-disorder-without-intellectual-disability
#17
Sarah L Karalunas, Elizabeth Hawkey, Hanna Gustafsson, Meghan Miller, Marybeth Langhorst, Michaela Cordova, Damien Fair, Joel T Nigg
Attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) are commonly comorbid, share genetic liability, and often exhibit overlapping cognitive impairments. Clarification of shared and distinct cognitive effects while considering comorbid symptoms across disorders has been lacking. In the current study, children ages 7-15 years assigned to three diagnostic groups:ADHD (n = 509), ASD (n = 97), and controls (n = 301) completed measures spanning the cognitive domains of attention/arousal, working memory, set-shifting, inhibition, and response variability...
February 15, 2018: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29353013/bottom-up-gamma-maintenance-in-various-disorders
#18
REVIEW
E Garcia-Rill, S Mahaffey, James R Hyde, F J Urbano
Maintained gamma band activity is a key element of higher brain function, participating in perception, executive function, and memory. The pedunculopontine nucleus (PPN), as part of the reticular activating system (RAS), is a major source of the "bottom-up" flow of gamma activity to higher regions. However, interruption of gamma band activity is associated with a number of neurological and psychiatric disorders. This review will focus on the role of the PPN in activating higher regions to induce arousal and descending pathways to modulate posture and locomotion...
January 17, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29198277/attention-deficit-hyperactivity-disorder-a-historical-neuropsychological-perspective
#19
REVIEW
E Mark Mahone, Martha B Denckla
The behavior patterns of hyperactivity, impulsivity and inattention that would ultimately become recognized as Attention-Deficit Hyperactivity Disorder (ADHD) have been described for centuries. Nevertheless, in the past 35 years, advances in diagnostic methods, identification of biomarkers, and treatments have advanced at an exponential rate. ADHD is now recognized as the most common behavioral disorder of childhood, with risks extending well into adulthood for both males and females, leading to its identification as a significant public health issue...
October 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28984497/redefining-adhd-using-an-adult-population-should-inattention-be-viewed-as-a-separate-dimension-from-cognitive-and-physiological-activity-level
#20
Nathan Miller, Frances Prevatt
OBJECTIVE: The purpose of this study was to reexamine the latent structure of ADHD and sluggish cognitive tempo (SCT) due to issues with construct validity. Two proposed changes to the construct include viewing hyperactivity and sluggishness (hypoactivity) as a single continuum of activity level, and viewing inattention as a separate dimension from activity level. METHOD: Data were collected from 1,398 adults using Amazon's MTurk. A new scale measuring activity level was developed, and scores of Inattention were regressed onto scores of Activity Level using curvilinear regression...
October 1, 2017: Journal of Attention Disorders
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