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https://www.readbyqxmd.com/read/29161356/medial-orbitofrontal-cortex-mediates-effort-related-responding-in-rats
#1
Alexandra Münster, Wolfgang Hauber
The medial orbitofrontal cortex (mOFC) is known to support flexible control of goal-directed behavior. However, limited evidence suggests that the mOFC also mediates the ability of organisms to work with vigor towards a selected goal, a hypothesis that received little consideration to date. Here we show that excitotoxic mOFC lesion increased responding under a progressive ratio (PR) schedule of reinforcement, that is, the highest ratio achieved, and increased the preference for the high effort-high reward option in an effort-related decision-making task, but left intact outcome-selective Pavlovian-instrumental transfer and outcome-specific devaluation...
November 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29159857/methylphenidate-for-children-and-adolescents-with-autism-spectrum-disorder
#2
REVIEW
Nancy Sturman, Laura Deckx, Mieke L van Driel
BACKGROUND: Children with autistic spectrum disorder (ASD) frequently present with inattention, impulsivity and hyperactivity, which are the cardinal symptoms of attention deficit hyperactivity disorder (ADHD). The effectiveness of methylphenidate, a commonly used ADHD treatment, is therefore of interest in these children. OBJECTIVES: To assess the effects of methylphenidate for symptoms of ADHD (inattention, impulsivity and hyperactivity) and ASD (impairments in social interaction and communication, and repetitive, restricted or stereotypical behaviours) in children and adolescents aged 6 to 18 years with ASD...
November 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29131677/methylphenidate-has-superior-efficacy-over-parent-child-interaction-therapy-for-preschool-children-with-disruptive-behaviors
#3
Lianne van der Veen-Mulders, Barbara J van den Hoofdakker, Maaike H Nauta, Paul Emmelkamp, Pieter J Hoekstra
OBJECTIVE: To compare the effectiveness between parent-child interaction therapy (PCIT) and methylphenidate in preschool children with attention-deficit/hyperactivity disorder (ADHD) symptoms and disruptive behaviors who had remaining significant behavior problems after previous behavioral parent training. METHODS: We included 35 preschool children, ranging in age between 3.4 and 6.0 years. Participants were randomized to PCIT (n = 18) or methylphenidate (n = 17)...
November 13, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29131668/nasal-bleeding-probably-associated-with-methylphenidate
#4
Sibelnur Avcil
No abstract text is available yet for this article.
November 13, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29129558/time-and-psychostimulants-opposing-long-term-structural-effects-in-the-adult-adhd-brain-a-longitudinal-mr-study
#5
Clara Pretus, J Antoni Ramos-Quiroga, Vanessa Richarte, Montse Corrales, Marisol Picado, Susanna Carmona, Óscar Vilarroya
Long-term effects of psychostimulants such as methylphenidate on ADHD patients have been proved to be difficult to capture in cross-sectional studies comparing medicated and non-medicated samples and in longitudinal studies with children, with age-related maturational processes possibly confounding independent effects of medication. However, chronic psychostimulant administration at therapeutic doses has been proven to yield profound neuroadaptive changes in rodent models. Here, we present for the first time the effect of psychostimulant treatment on brain volumes in a sample of medication-naïve adult ADHD patients...
November 9, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29125594/cotempla-xr-odt-another-long-acting-methylphenidate-for-adhd
#6
(no author information available yet)
No abstract text is available yet for this article.
November 6, 2017: Medical Letter on Drugs and Therapeutics
https://www.readbyqxmd.com/read/29122720/connectome-based-predictive-modeling-of-attention-comparing-different-functional-connectivity-features-and-prediction-methods-across-datasets
#7
Kwangsun Yoo, Monica D Rosenberg, Wei-Ting Hsu, Sheng Zhang, Chiang-Shan R Li, Dustin Scheinost, R Todd Constable, Marvin M Chun
Connectome-based predictive modeling (CPM; Finn et al., 2015; Shen et al., 2017) was recently developed to predict individual differences in traits and behaviors, including fluid intelligence (Finn et al., 2015) and sustained attention (Rosenberg et al., 2016a), from functional brain connectivity (FC) measured with fMRI. Here, using the CPM framework, we compared the predictive power of three different measures of FC (Pearson's correlation, accordance, and discordance) and two different prediction algorithms (linear and partial least square [PLS] regression) for attention function...
November 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/29121517/suicide-risk-reduction-in-youths-with-attention-deficit-hyperactivity-disorder-prescribed-methylphenidate-a-taiwan-nationwide-population-based-cohort-study
#8
Sophie Hsin-Yi Liang, Yao-Hsu Yang, Ting-Yu Kuo, Yin-To Liao, Tzu-Chin Lin, Yena Lee, Roger S McIntyre, Brent A Kelsen, Tsu-Nai Wang, Vincent Chin-Hung Chen
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) youths have increased suicide risk. Nevertheless, the beneficial effects of methylphenidate (MPH) on suicide attempt have received relatively little attention. AIMS: To investigate the MPH usage and the risk of suicide attempt among ADHD youths. METHODS: We identified 84,898 youths less than 18 years old with ADHD diagnosis between 1997 and 2013 from National Health Insurance, and examined whether MPH use affected suicide attempt risk using Cox proportional-hazards models...
November 6, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29113955/treatment-of-fatigue-with-methylphenidate-modafinil-and-amantadine-in-multiple-sclerosis-triumphant-ms-study-design-for-a-pragmatic-randomized-double-blind-crossover-clinical-trial
#9
Bardia Nourbakhsh, Nisha Revirajan, Emmanuelle Waubant
BACKGROUND: Fatigue is the most common symptom of multiple sclerosis (MS). Amantadine, modafinil and amphetamine-like stimulants are commonly used in clinical practice for treatment of fatigue; however, the evidence supporting their effectiveness is sparse and conflicting. OBJECTIVE: To describe the design of a trial study funded by Patient-Centered Outcome Research Institute (PCORI) that will compare the efficacy of commonly used fatigue medications in patients with MS...
November 4, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29112657/placental-complications-associated-with-psychostimulant-use-in-pregnancy
#10
Jacqueline M Cohen, Sonia Hernández-Díaz, Brian T Bateman, Yoonyoung Park, Rishi J Desai, Kathryn J Gray, Elisabetta Patorno, Helen Mogun, Krista F Huybrechts
OBJECTIVE: To evaluate whether psychostimulants used to treat attention-deficit/hyperactivity disorder (ADHD) are associated with risk of adverse placental-associated pregnancy outcomes including preeclampsia, placental abruption, growth restriction, and preterm birth. METHODS: We designed a population-based cohort study in which we examined a cohort of pregnant women and their liveborn neonates enrolled in Medicaid from 2000 to 2010. Women who received amphetamine-dextroamphetamine or methylphenidate monotherapy in the first half of pregnancy were compared with unexposed women...
November 3, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29109906/the-movement-disorder-of-brain-lung-thyroid-syndrome-can-be-responsive-to-methylphenidate
#11
Laurence Gauquelin, Luan T Tran, Sylvain Chouinard, Geneviève Bernard
No abstract text is available yet for this article.
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29107662/methylphenidate-alters-brain-connectivity-after-enhanced-physical-performance
#12
Michael King, Keelyn Van Breda, Laurie H Rauch, Samantha J Brooks, Dan J Stein, Jonathan Ipser
Muscle fatigue is a disturbed homeostatic state characterized by a temporary inability to maintain force output and has lasting effects on the brain in the period immediately after exercise, such as decreased interhemispheric functional connectivity (FC). Stimulants that increase dopamine and norepinephrine neurotransmission can enhance performance during muscle fatiguing exercise (i.e. are ergogenic). We recently demonstrated that methylphenidate (MPH) increased force output and increased FC between the insular (IC) and hand motor cortex during a fatiguing handgrip task...
October 28, 2017: Brain Research
https://www.readbyqxmd.com/read/29098969/-upward-trend-in-the-use-of-psychostimulants-by-adults
#13
L van der Koog, J van der Schans, M A Tjioe, J H J Bos, B J Bijker, E Hak, C C M Schuiling-Veninga
OBJECTIVE: To gain insight into the trends in the use of psychostimulants among adults. DESIGN: Retrospective database study. METHODS: We selected data on adults (≥ 18 years) who had had a minimum of 2 prescriptions for a psychostimulant drug within 1 year from IADB.nl, a Netherlands database of filled prescriptions (59 public pharmacies, approximately 600,000 patients). We calculated both the number of new users and the total number of users of psychostimulants per year in the period 2004-2014...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29098467/a-6-month-follow-up-of-an-rct-on-behavioral-and-neurocognitive-effects-of-neurofeedback-in-children-with-adhd
#14
Katleen Geladé, Tieme W P Janssen, Marleen Bink, Jos W R Twisk, Rosa van Mourik, Athanasios Maras, Jaap Oosterlaan
To assess the long-term effects of neurofeedback (NFB) in children with attention deficit hyperactivity disorder (ADHD), we compared behavioral and neurocognitive outcomes at a 6-month naturalistic follow-up of a randomized controlled trial on NFB, methylphenidate (MPH), and physical activity (PA). Ninety-two children with a DSM-IV-TR ADHD diagnosis, aged 7-13, receiving NFB (n = 33), MPH (n = 28), or PA (n = 31), were re-assessed 6-months after the interventions. NFB comprised theta/beta training on the vertex (cortical zero)...
November 2, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/29096908/using-task-performance-to-inform-treatment-planning-for-youth-with-adhd-a-systematic-review
#15
REVIEW
Stephen J Molitor, Joshua M Langberg
The role that neuropsychological task performance plays in the assessment of Attention-Deficit/Hyperactivity Disorder (ADHD) is currently ambiguous, and findings are mixed regarding whether tasks have validity for diagnosing the disorder. Irrespective of their validity for diagnosing ADHD, neuropsychological tasks could provide valuable information to mental health professionals if they can inform recommendations for treatment targets and modalities. Therefore, this review sought to synthesize the available evidence related to the use of neuropsychological task performance as a tool for informing treatment planning for youth with ADHD...
December 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/29090087/extended-release-methylphenidate-monotherapy-in-patients-with-comorbid-social-anxiety-disorder-and-adult-attention-deficit-hyperactivity-disorder-retrospective-case-series
#16
Ahmet Koyuncu, Fahri Çelebi, Erhan Ertekin, Burcu Ece Kök, Raşit Tükel
BACKGROUND: The relationship between social anxiety disorder (SAD) and attention-deficit/hyperactivity disorder (ADHD) is a subject which has recently become a topic of interest for research. METHODS: In this study, 20 patients with comorbid SAD and adult ADHD who were treated with extended-release methylphenidate monotherapy were evaluated retrospectively. RESULTS: Clinical response for both ADHD and SAD symptoms was observed in 17 of 20 patients...
November 2017: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/29073754/hiccup-due-to-aripiprazole-plus-methylphenidate-treatment-in-an-adolescent-with-attention-deficit-and-hyperactivity-disorder-and-conduct-disorder-a-case-report
#17
Meryem Ozlem Kutuk, Gulen Guler, Ali Evren Tufan, Ozgur Kutuk
Our case had hiccups arising in an adolescent with the attention deficit and hyperactivity disorder (ADHD) and conduct disorder (CD) after adding aripiprazole treatment to extended-release methylphenidate. Actually, antipsychotics are also used in the treatment of hiccups, but studies suggest that they can cause hiccups as well. Within 12 hours of taking 2.5 mg aripiprazole added to extended-release methylphenidate at a dose of 54 mg/day, 16-year-old boy began having hiccups in the morning, which lasted after 3-4 hours...
November 30, 2017: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29071470/the-challenge-of-pharmacotherapy-in-children-and-adolescents-with-epilepsy-adhd-comorbidity
#18
REVIEW
Alberto Verrotti, Romina Moavero, Gianvito Panzarino, Claudia Di Paolantonio, Renata Rizzo, Paolo Curatolo
Epilepsy is common in children and adolescents where its prevalence is 3.2-5.5/1000. About one-third of patients also have attention deficit hyperactivity/impulsivity disorder (ADHD). The possible relationship between epilepsy and ADHD is still unclear, and ADHD symptoms (such as inattention, hyperactivity, behavioral disturbances) are frequently considered as adverse effects of antiepileptic drugs (AEDs). The literature was searched for data on the behavioral effects of AEDs. Phenobarbital is the most frequently reported medication to induce symptoms of ADHD, followed by topiramate and valproic acid...
October 25, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29061363/impact-of-developmental-exposure-to-methylphenidate-on-rat-brain-s-immune-privilege-and-behavior-control-versus-adhd-model
#19
Vanessa Coelho-Santos, Filipa L Cardoso, Ricardo A Leitão, Carlos A Fontes-Ribeiro, Ana Paula Silva
Attention deficit hyperactivity disorder (ADHD) is the most prevalent childhood mental disorders that often persists into adulthood. Moreover, methylphenidate (MPH) is the mainstay of medical treatment for this disorder. Yet, not much is known about the neurobiological impact of MPH on control versus ADHD conditions, which is crucial to simultaneously clarify the misuse/abuse versus therapeutic use of this psychostimulant. In the present study, we applied biochemical and behavioral approaches to broadly explore the early-life chronic exposure of two different doses of MPH (1...
October 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29061293/methylphenidate-gender-trends-in-adult-and-pediatric-populations-over-a-7year-period
#20
Carole Ehrhardt, Quentin Boucherie, Vanessa Pauly, David Braunstein, Eléonore Ronflé, Xavier Thirion, Elisabeth Frauger, Joelle Micallef
OBJECTIVE: Methylphenidate (MPH) is a prescription-stimulant medication which is authorized in France for two indications: attention-deficit hyperactivity disorder in children (aged≥6years) and narcolepsy in cases where modafinil is ineffective (for children and adults). MPH use has increased worldwide in the past 2 decades in children and adults. Different pharmacoepidemiological Europeans studies have described MPH patterns of use. To our knowledge, few pharmacoepidemiological studies have described MPH patterns of use in France...
December 2017: Thérapie
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