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https://www.readbyqxmd.com/read/29651240/cognitive-neuroscience-of-attention-deficit-hyperactivity-disorder-adhd-and-its-clinical-translation
#1
REVIEW
Katya Rubia
This review focuses on the cognitive neuroscience of Attention Deficit Hyperactivity Disorder (ADHD) based on functional magnetic resonance imaging (fMRI) studies and on recent clinically relevant applications such as fMRI-based diagnostic classification or neuromodulation therapies targeting fMRI deficits with neurofeedback (NF) or brain stimulation. Meta-analyses of fMRI studies of executive functions (EFs) show that ADHD patients have cognitive-domain dissociated complex multisystem impairments in several right and left hemispheric dorsal, ventral and medial fronto-cingulo-striato-thalamic and fronto-parieto-cerebellar networks that mediate cognitive control, attention, timing and working memory (WM)...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29566425/cognitive-behavioural-interventions-for-attention-deficit-hyperactivity-disorder-adhd-in-adults
#2
REVIEW
Pablo Luis Lopez, Fernando Manuel Torrente, Agustín Ciapponi, Alicia Graciela Lischinsky, Marcelo Cetkovich-Bakmas, Juan Ignacio Rojas, Marina Romano, Facundo F Manes
BACKGROUND: Attention deficit hyperactivity disorder (ADHD) is a developmental condition characterised by symptoms of inattention, hyperactivity and impulsivity, along with deficits in executive function, emotional regulation and motivation. The persistence of ADHD in adulthood is a serious clinical problem.ADHD significantly affects social interactions, study and employment performance.Previous studies suggest that cognitive-behavioural therapy (CBT) could be effective in treating adults with ADHD, especially when combined with pharmacological treatment...
March 23, 2018: Cochrane Database of Systematic Reviews
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
#3
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/29537898/a-situation-specific-approach-to-measure-attention-in-adults-with-adhd-the-everyday-life-attention-scale-elas
#4
Yvonne Groen, Anselm B M Fuermaier, Lara Tucha, Matthias Weisbrod, Steffen Aschenbrenner, Oliver Tucha
This study describes the development and utility of a new self-report measure of attentional capacities of adults with Attention Deficit Hyperactivity Disorder (ADHD): the Everyday Life Attention Scale (ELAS). Different from previous attention scales, attentional capacities are rated for nine everyday situations. Study 1 investigated the factor structure, validity, and reliability of the ELAS in 1206 healthy participants. Confirmatory factor analysis supported a situation-specific approach which categorizes everyday attention into nine situation scales: Reading, Movie, Activity, Lecture, Conversation, Assignment, Cooking, Cleaning up, and Driving...
March 14, 2018: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/29520239/behavioral-phenotyping-of-dopamine-transporter-knockout-rats-compulsive-traits-motor-stereotypies-and-anhedonia
#5
Stefano Cinque, Francesca Zoratto, Anna Poleggi, Damiana Leo, Luca Cerniglia, Silvia Cimino, Renata Tambelli, Enrico Alleva, Raul R Gainetdinov, Giovanni Laviola, Walter Adriani
Alterations in dopamine neurotransmission are generally associated with diseases such as attention-deficit/hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD). Such diseases typically feature poor decision making and lack of control on executive functions and have been studied through the years using many animal models. Dopamine transporter (DAT) knockout (KO) and heterozygous (HET) mice, in particular, have been widely used to study ADHD. Recently, a strain of DAT KO rats has been developed (1)...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29506429/parent-ratings-of-working-memory-are-uniquely-related-to-performance-based-measures-of-secondary-memory-but-not-primary-memory
#6
Kathryn J Ralph, Bradley S Gibson, Dawn M Gondoli
INTRODUCTION: Existing evidence suggests that performance- and rating-based measures of working memory (WM) correlate poorly. Although some researchers have interpreted this evidence as suggesting that these measures may be assessing distinct cognitive constructs, another possibility is that rating-based measures are related to some but not all theoretically motivated performance-based measures. The current study distinguished between performance-based measures of primary memory (PM) and secondary memory (SM), and examined the relation between each of these components of WM and parent-ratings on the WM subscale of the Behavior Rating Inventory of Executive Function (BRIEF-WM)...
March 6, 2018: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29489073/cannabis-withdrawal-in-adults-with-attention-deficit-hyperactivity-disorder
#7
Emeline Chauchard, Karen J Hartwell, Aimee L McRae-Clark, Brian J Sherman, David A Gorelick
Objective: Cannabis withdrawal has not been studied in adults with attention-deficit/hyperactivity disorder (ADHD) who have high rates of cannabis use. We aimed to describe cannabis withdrawal, motivations to quit, and strategies to quit cannabis use in cannabis-dependent adults with ADHD. Methods: Twenty-three adults with ADHD enrolled in a controlled clinical trial of pharmacotherapy (atomoxetine) for cannabis dependence (DSM-IV criteria) completed the Marijuana Quit Questionnaire (MJQQ) to provide information on their "most serious" quit attempt made without formal treatment...
February 22, 2018: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/29476896/systemic-administration-of-guanfacine-improves-food-motivated-impulsive-choice-behavior-primarily-via-direct-stimulation-of-postsynaptic-%C3%AE-2a-adrenergic-receptors-in-rats
#8
Kouhei Nishitomi, Koji Yano, Mika Kobayashi, Kohei Jino, Takuya Kano, Naotaka Horiguchi, Shunji Shinohara, Minoru Hasegawa
Impulsive choice behavior, which can be assessed using the delay discounting task, is a characteristic of various psychiatric disorders, including attention-deficit/hyperactivity disorder (ADHD). Guanfacine is a selective α2A -adrenergic receptor agonist that is clinically effective in treating ADHD. However, there is no clear evidence that systemic guanfacine administration reduces impulsive choice behavior in the delay discounting task in rats. In the present study, we examined the effect of systemic guanfacine administration on food-motivated impulsive choice behavior in rats and the neuronal mechanism underlying this effect...
June 1, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29427289/delay-aversion-in-attention-deficit-hyperactivity-disorder-is-mediated-by-amygdala-and-prefrontal-cortex-hyper-activation
#9
Jeroen Van Dessel, Edmund Sonuga-Barke, Gabry Mies, Jurgen Lemiere, Saskia Van der Oord, Sarah Morsink, Marina Danckaerts
BACKGROUND: Experimental research supports delay aversion as a motivational feature of attention deficit/hyperactivity disorder (ADHD). To investigate the neurobiology of delay aversion in ADHD, this study examined whether adolescents with ADHD display an unusually strong activation in affective brain regions in response to cues predicting forthcoming delay and whether these effects are (a) delay-dose dependent and (b) statistically mediate the association between ADHD and self-reported delay aversion...
February 10, 2018: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29414488/examining-social-supply-among-nonmedical-prescription-stimulant-users-in-the-san-francisco-bay-area
#10
Fiona Murphy, Sheigla Murphy, Paloma Sales, Nicholas Lau
In the US, prescription stimulants are prescribed for a variety of conditions including attention deficit hyperactivity disorder (ADHD) and narcolepsy. Over the last two decades, dramatic increases in stimulant prescriptions have led to greater availability and increased risk for diversion and nonmedical use. Our own and other investigators' findings indicate that many drug "suppliers" do not fit into the traditional image of drug "dealers." These suppliers typically do not identify themselves as "dealers," but instead understand their drug distribution as sharing with people they know...
January 30, 2018: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29347983/experiences-of-an-internet-based-support-and-coaching-model-for-adolescents-and-young-adults-with-adhd-and-autism-spectrum-disorder-a-qualitative-study
#11
Helena Sehlin, Britt Hedman Ahlström, Gerhard Andersson, Elisabet Wentz
BACKGROUND: There is a great demand for non-medical treatment and support targeting the needs of adolescents and young adults with autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD). There is also a lack of qualitative studies providing in-depth insight into these individuals' own experiences within this area. The current study aimed to explore how adolescents and young adults with ADHD, ASD or both experienced taking part in an internet-based support and coaching intervention...
January 18, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29341214/cue-reactivity-habituation-and-eating-in-the-absence-of-hunger-in-children-with-loss-of-control-eating-and-attention-deficit-hyperactivity-disorder
#12
Anja Hilbert, Susanne Kurz, Daniela Dremmel, Susann Weihrauch Blüher, Simone Munsch, Ricarda Schmidt
OBJECTIVE: Childhood loss of control (LOC) eating and attention-deficit/hyperactivity disorder (ADHD) are highly comorbid conditions and present with disordered eating behaviors, such as overeating. This study sought to delineate shared and specific abnormalities in physiological, cognitive-motivational, and behavioral components of food-specific impulsivity in children with LOC eating and ADHD. Specifically, children's reactivity and habituation to food and eating in the absence of hunger were examined...
January 17, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29336733/impaired-visuospatial-short-term-memory-in-children-with-adhd
#13
Tadamasa Narimoto, Naomi Matsuura, Michio Hiratani
Previous studies provide clear evidence that visuospatial memory performance in children with attention-deficit/hyperactivity disorder (ADHD) is significantly lower than in typically developing children. In the present study, we investigated a major cause of their low performance using a spatial span test. Possibly, inattention resulting from lack of motivation or interest causes their low performance so that they do not correctly encode targets to be remembered. On the other hand, a deficit in temporary maintenance per se may cause their low performance; that is, their inefficient use of rehearsal during a retention interval may lead to memory traces' fast decay...
January 2018: Journal of Genetic Psychology
https://www.readbyqxmd.com/read/29316800/pro-dopamine-regulator-kb220z-attenuates-hoarding-and-shopping-behavior-in-a-female-diagnosed-with-sud-and-adhd
#14
Thomas McLaughlin, Kenneth Blum, Bruce Steinberg, Edward J Modestino, Lyle Fried, David Baron, David Siwicki, Eric R Braverman, Rajendra D Badgaiyan
Background Addictive-like behaviors (e.g., hoarding and shopping) may be the result of the cumulative effects of dopaminergic and other neurotransmitter genetic variants as well as elevated stress levels. We, therefore, propose that dopamine homeostasis may be the preferred goal in combating such challenging and unwanted behaviors, when simple dopaminergic activation through potent agonists may not provide any resolution. Case presentation C.J. is a 38-year-old, single, female, living with her mother. She has a history of substance use disorder as well as attention deficit hyperactivity disorder, inattentive type...
March 1, 2018: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/29143699/are-there-distinct-cognitive-and-motivational-sub-groups-of-children-with-adhd
#15
Rikke Lambek, Edmund Sonuga-Barke, Rosemary Tannock, Anne Virring Sørensen, Dorte Damm, Per Hove Thomsen
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is proposed to be a neuropsychologically heterogeneous disorder that encompasses two distinct sub-groups, one with executive function (EF) deficits and one with delay aversion (DA). However, such claims have often been based on studies that have operationalized neuropsychological deficits using a categorical approach - using intuitive but rather arbitrary, clinical cut-offs. The current study applied an alternative empirical approach to sub-grouping in ADHD, latent profile analysis (LPA), and attempted to validate emerging subgroups through clinically relevant correlates...
November 16, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29090967/the-qualitative-interview-study-of-persistent-and-nonpersistent-substance-use-in-the-mta-sample-characteristics-frequent-use-and-reasons-for-use
#16
James M Swanson, Timothy Wigal, Peter S Jensen, John T Mitchell, Thomas S Weisner, Desiree Murray, L Eugene Arnold, Lily Hechtman, Brooke S G Molina, Elizabeth B Owens, Stephen P Hinshaw, Katherine Belendiuk, Andrea Howard, Sharon B Wigal, Page Sorensen, Annamarie Stehli
OBJECTIVE: To evaluate participants' perceptions about frequent use and reasons for substance use (SU) in the qualitative interview study, an add-on to the multimodal treatment study of ADHD (MTA). METHOD: Using the longitudinal MTA database, 39 ADHD cases and 19 peers with Persistent SU, and 86 ADHD cases and 39 peers without Persistent SU were identified and recruited. In adulthood, an open-ended interview was administered, and SU excerpts were indexed and classified to create subtopics (frequent use and reasons for use of alcohol, marijuana, and other drugs)...
October 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28989230/delivering-parent-teen-therapy-for-adhd-through-videoconferencing-a-preliminary-investigation
#17
Margaret H Sibley, Jonathan S Comer, Jaife Gonzalez
Adolescents with ADHD demonstrate notoriously poor treatment utilization. Barriers to access have been partially addressed through tailored therapy content and therapist delivery style; yet, additional challenges to engaging this population remain. To leverage modern technology in support of this aim, the current study investigates parent-teen therapy for ADHD delivered over a videoconferencing format. In this preliminary feasibility study, teens and parents (N=20) received an empirically supported dyadic therapy that incorporates skills-based modules with motivational interviewing...
September 2017: Journal of Psychopathology and Behavioral Assessment
https://www.readbyqxmd.com/read/28964912/functional-coding-variation-in-the-presynaptic-dopamine-transporter-associated-with-neuropsychiatric-disorders-drives-enhanced-motivation-and-context-dependent-impulsivity-in-mice
#18
Gwynne L Davis, Adele Stewart, Gregg D Stanwood, Raajaram Gowrishankar, Maureen K Hahn, Randy D Blakely
Recent genetic analyses have provided evidence that clinical commonalities associated with different psychiatric diagnoses often have shared mechanistic underpinnings. The development of animal models expressing functional genetic variation attributed to multiple disorders offers a salient opportunity to capture molecular, circuit and behavioral alterations underlying this hypothesis. In keeping with studies suggesting dopaminergic contributions to attention-deficit hyperactivity disorder (ADHD), bipolar disorder (BPD) and autism spectrum disorder (ASD), subjects with these diagnoses have been found to express a rare, functional coding substitution in the dopamine (DA) transporter (DAT), Ala559Val...
January 30, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/28956509/multiple-causal-pathways-in-attention-deficit-hyperactivity-disorder-do-emerging-executive-and-motivational-deviations-precede-symptom-development
#19
Ursula Pauli-Pott, Susan Schloß, Monika Heinzel-Gutenbrunner, Katja Becker
The multiple causal pathways model on the etiology of attention-deficit/hyperactivity disorder (ADHD) is well established. However, developmental implications of the model are not yet sufficiently analyzed. The model implies that critical neural and neuropsychological deviations from normative development precede secondarily developing ADHD symptoms. Cognitive, "cool" inhibitory control (CIC) and reward-related, "hot" functions (RRF) are regarded as neuropsychological basic deficits that indicate independent causal pathways...
September 28, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28946880/behavioral-sensitivity-of-japanese-children-with-and-without-adhd-to-changing-reinforcer-availability-an-experimental-study-using-signal-detection-methodology
#20
Emi Furukawa, Shizuka Shimabukuro, Brent Alsop, Gail Tripp
BACKGROUND: Most research on motivational processes in attention deficit hyperactivity disorder (ADHD) has been undertaken in Western Europe and North America. The extent to which these findings apply to other cultural groups is unclear. The current study evaluated the behavioral sensitivity of Japanese children with and without ADHD to changing reward availability. Forty-one school-aged children, 19 diagnosed with DSM-IV ADHD, completed a signal-detection task in which correct discriminations between two stimuli were associated with different reinforcement frequencies...
September 25, 2017: Behavioral and Brain Functions: BBF
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