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https://www.readbyqxmd.com/read/28651152/methylphenidate-disintegration-from-oral-formulations-for-intravenous-use-by-experienced-substance-users
#1
G D Bjarnadottir, M Johannsson, A Magnusson, B O Rafnar, E Sigurdsson, S Steingrimsson, V Asgrimsson, I Snorradottir, H Bragadottir, H M Haraldsson
BACKGROUND AND AIMS: Methylphenidate (MPH) is a prescription stimulant used to treat attention-deficit hyperactivity disorder. MPH is currently the preferred substance among most intravenous (i.v.) substance users in Iceland. Four types of MPH preparations were available in Iceland at the time of study: Immediate-release (IR), sustained-release (SR), osmotic controlled-release oral delivery (OROS) tablet and osmotic-controlled release (OCR). MPH OROS has previously been rated the least desirable by i...
June 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28650064/-a-new-case-of-psychotic-break-as-the-presenting-symptom-of-anti-nmda-receptor-encephalitis-treatment-from-a-neuropsychiatric-approach
#2
P Hernaez-Goni, P Luna-Lario, J Tirapu-Ustarroz
INTRODUCTION: Limbic encephalitis generated by anti-N-methyl D-aspartate (NMDA) receptor antibodies is a severe acute neurological condition that is more prevalent in young females and is associated with an underlying tumour. The appearance of severe initial psychiatric signs and symptoms and the fact that it is accompanied by emotional disorders and severe cognitive impairment make it necessary to reconsider the contributions of neuropsychiatry to the diagnosis, development and treatment of the disease, since these have received little attention from researchers to date...
July 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28649849/toward-establishing-a-standard-symptom-set-for-assessing-sluggish-cognitive-tempo-in-children-evidence-from-teacher-ratings-in-a-community-sample
#3
Stephen P Becker, G Leonard Burns, Aidan P Schmitt, Jeffery N Epstein, Leanne Tamm
Despite increasing interest in sluggish cognitive tempo (SCT) in children, the field is stymied by the lack of a standard symptom set that can be used across studies. Without a standard symptom set, it is difficult to determine if differences across studies are due to methodological or sample differences, or simply the way SCT was measured. To move the field toward a standard symptom set, this study evaluates a teacher-report rating scale of SCT revised based on recent meta-analytic findings that identified optimal items for distinguishing SCT from attention-deficit/hyperactivity disorder inattention (ADHD-IN)...
June 1, 2017: Assessment
https://www.readbyqxmd.com/read/28649311/screening-tools-for-evaluation-of-depression-in-chronic-obstructive-pulmonary-disease-copd-a-systematic-review
#4
K Bock, E Bendstrup, O Hilberg, A Løkke
Background: Anxiety and depression are common comorbid disorders in patients with chronic obstructive pulmonary disease (COPD), though estimates of their prevalence vary considerably. Depressive symptoms/depression are important comorbidities in COPD and an increasing interest is shown to these disorders. Depression may lead to reduced quality of life and increased morbidity and mortality. These statements underline the importance of implementing the use of screening instruments for depressive symptoms in a clinical setting...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28649286/autism-spectrum-disorder-and-epileptic-encephalopathy-common-causes-many-questions
#5
REVIEW
Siddharth Srivastava, Mustafa Sahin
Epileptic encephalopathies represent a particularly severe form of epilepsy, associated with cognitive and behavioral deficits, including impaired social-communication and restricted, repetitive behaviors that are the hallmarks of autism spectrum disorder (ASD). With the advent of next-generation sequencing, the genetic landscape of epileptic encephalopathies is growing and demonstrates overlap with genes separately implicated in ASD. However, many questions remain about this connection, including whether epileptiform activity itself contributes to the development of ASD symptomatology...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28649208/the-four-causes-of-adhd-aristotle-in-the-classroom
#6
Marino Pérez-Álvarez
Attention-Deficit/Hyperactivity Disorder (ADHD) is one of the most well-established and at the same time controversial disorders to the extreme of being placed in doubt. In the first of two parts, the established position is critically reviewed, beginning with showing fallacious reasoning on which the diagnosis is based, lacking clinical proof. Similarly, a certain rhetoric and metaphysics in genetic and neurobiological research is highlighted, where, for example, a meager accumulation of data is offered as robust conclusions, and correlates and correlations as causes and bases...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28649058/buspirone-attenuates-methylphenidate-induced-growth-inhibition
#7
Nausheen Alam, Rahila Najam
Methylphenidate is effective in the treatment of attention deficit hyperactivity disorder (ADHD) in children and adults, but its long term use can cause potential adverse effect on growth rate and variable effects on appetite. Previous studies have shown that long term administration of psychostimulant drugs increases the effectiveness of somatodendritic 5-hydroxytryptamine (5-HT)-1A receptors. Repeated administration of buspirone attenuates the effectiveness of somatodendritic 5-HT1A receptors. The present study was designed to test the hypothesis that co-administration of buspirone may attenuate methylphenidate-induced effects on growth rate and food intake...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28648572/cortical-excitability-and-neuropsychological-functioning-in-healthy-adults
#8
Lauren B Bolden, Joseph C Griffis, Sandipan Pati, Jerzy P Szaflarski
Evidence from clinical populations, such as epilepsy and attention deficit/hyperactivity disorder, suggests a relationship between hyperexcitability and cognitive impairment, but this relationship has not been demonstrated in healthy individuals. Here, we investigate the relationship between cortical excitability and cognitive functioning in healthy adults. Single- and paired-pulse TMS was applied to 20 healthy adults to measure cortical excitability and long-interval intracortical inhibition (LICI). A neuropsychological battery was administered to assess aspects of attention, executive function, and mood...
June 22, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28648570/brain-behavioral-adaptability-predicts-response-to-cognitive-behavioral-therapy-for-emotional-disorders-a-person-centered-event-related-potential-study
#9
Jonathan P Stange, Annmarie MacNamara, Amy E Kennedy, Greg Hajcak, K Luan Phan, Heide Klumpp
Single-trial-level analyses afford the ability to link neural indices of elaborative attention (such as the late positive potential [LPP], an event-related potential) with downstream markers of attentional processing (such as reaction time [RT]). This approach can provide useful information about individual differences in information processing, such as the ability to adapt behavior based on attentional demands ("brain-behavioral adaptability"). Anxiety and depression are associated with maladaptive information processing implicating aberrant cognition-emotion interactions, but whether brain-behavioral adaptability predicts response to psychotherapy is not known...
June 22, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28648138/psychological-symptomatology-and-impaired-prepulse-inhibition-of-the-startle-reflex-are-associated-with-cannabis-induced-psychosis
#10
Isabel Morales-Muñoz, Isabel Martínez-Gras, Guillermo Ponce, Javier de la Cruz, David Lora, Roberto Rodríguez-Jiménez, Rosa Jurado-Barba, Francisco Navarrete, María Salud García-Gutiérrez, Jorge Manzanares, Gabriel Rubio
BACKGROUND: Cannabis-induced psychotic disorder (CIPD) is a psychiatric disorder induced by cannabis consumption. The psychological and psychophysiological features of this disorder are still unknown. We aimed to examine the psychological, personality and psychophysiological features of patients with CIPD. This study is an analytical extension of our previously published data, which previously found prepulse inhibition (PPI) deficits in the CIPD group used in this current paper. METHODS: We used a sample of 45 patients with CIPD...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28648096/nad-h-and-nadp-h-redox-couples-and-cellular-energy-metabolism
#11
Wusheng Xiao, Rui-Sheng Wang, Diane E Handy, Joseph Loscalzo
SIGNIFICANCE: The NAD+/NADH and NADP+/NADPH redox couples are essential for maintaining cellular redox homeostasis and for modulating numerous biological events, including cellular metabolism. Deficiency or imbalance of these two redox couples has been associated with many pathological disorders. Recent Advances: Newly-identified biosynthetic enzymes and newly-developed genetically encoded biosensors enable us to understand better how cells maintain compartmentalized NAD(H) and NADP(H) pools...
June 24, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28647668/a-combined-marker-of-early-non-improvement-and-the-occurrence-of-melancholic-features-improve-the-treatment-prediction-in-patients-with-major-depressive-disorders
#12
Stefanie Wagner, André Tadić, Sibylle C Roll, Alice Engel, Nadine Dreimüller, Jan Engelmann, Klaus Lieb
BACKGROUND: Early Improvement of depressive symptoms within two weeks of antidepressant treatment is a highly sensitive but less specific predictor of later treatment outcome. The aim of this study was to identify clinical features at treatment initiation which are associated with early improvement and non-improvement as well as to identify variables predicting non-remission in patients showing an early improvement. METHODS: 889 patients with a major depressive episode according to DSM-IV who had participated in an antidepressant treatment trial served as study sample...
June 19, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28647594/chronic-mild-stress-impairs-latent-inhibition-and-induces-region-specific-neural-activation-in-chl1-deficient-mice-a-mouse-model-of-schizophrenia
#13
Mona Buhusi, Daniel Obray, Bret Guercio, Mitchell J Bartlett, Catalin V Buhusi
Schizophrenia is a neurodevelopmental disorder characterized by abnormal processing of information and attentional deficits. Schizophrenia has a high genetic component but is precipitated by environmental factors, as proposed by the 'two-hit' theory of schizophrenia. Here we compared latent inhibition as a measure of learning and attention, in CHL1-deficient mice, an animal model of schizophrenia, and their wild-type littermates, under no-stress and chronic mild stress conditions. All unstressed mice as well as the stressed wild-type mice showed latent inhibition...
June 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28647491/emerging-pharmacological-approaches-to-promote-neurogenesis-from-endogenous-glial-cells
#14
REVIEW
Enrica Boda, Giulia Nato, Annalisa Buffo
Neurodegenerative disorders are emerging as leading contributors to the global disease burden. While some drug-based approaches have been designed to limit or prevent neuronal loss following acute damage or chronic neurodegeneration, regeneration of functional neurons in the adult Central Nervous System (CNS)still remains an unmet need. In this context, theexploitation of endogenous cellsources has recently gained an unprecedented attention, thanks to the demonstration that, in some CNS regions or under specific circumstances, glial cells can activate spontaneous neurogenesis or can be instructed to produceneurons in the adult mammalian CNS parenchyma...
June 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28647021/reprint-of-minimizing-noise-in-pediatric-task-based-functional-mri-adolescents-with-developmental-disabilities-and-typical-development
#15
Catherine Fassbender, Prerona Mukherjee, Julie B Schweitzer
Functional Magnetic Resonance Imaging (fMRI) represents a powerful tool with which to examine brain functioning and development in typically developing pediatric groups as well as children and adolescents with clinical disorders. However, fMRI data can be highly susceptible to misinterpretation due to the effects of excessive levels of noise, often related to head motion. Imaging children, especially with developmental disorders, requires extra considerations related to hyperactivity, anxiety and the ability to perform and maintain attention to the fMRI paradigm...
July 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28647013/autism-spectrum-symptoms-in-a-tourette-s-disorder-sample
#16
Sabrina M Darrow, Marco Grados, Paul Sandor, Matthew E Hirschtritt, Cornelia Illmann, Lisa Osiecki, Yves Dion, Robert King, David Pauls, Cathy L Budman, Danielle C Cath, Erica Greenberg, Gholson J Lyon, William M McMahon, Paul C Lee, Kevin L Delucchi, Jeremiah M Scharf, Carol A Mathews
OBJECTIVE: Tourette's disorder (TD) and autism spectrum disorder (ASD) share clinical features and possibly an overlapping etiology. The aims of this study were to examine ASD symptom rates in participants with TD, and to characterize the relationships between ASD symptom patterns and TD, obsessive-compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD). METHOD: Participants with TD (n = 535) and their family members (n =234) recruited for genetic studies reported TD, OCD, and ADHD symptoms and completed the Social Responsiveness Scale Second Edition (SRS), which was used to characterize ASD symptoms...
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28647012/striatal-activation-predicts-differential-therapeutic-responses-to-methylphenidate-and-atomoxetine
#17
Kurt P Schulz, Anne-Claude V Bédard, Jin Fan, Thomas B Hildebrandt, Mark A Stein, Iliyan Ivanov, Jeffrey M Halperin, Jeffrey H Newcorn
OBJECTIVE: Methylphenidate has prominent effects in the dopamine-rich striatum that are absent for the selective norepinephrine transporter inhibitor atomoxetine. This study tested whether baseline striatal activation would predict differential response to the two medications in youth with attention-deficit/hyperactivity disorder (ADHD). METHOD: A total of 36 youth with ADHD performed a Go/No-Go test during functional magnetic resonance imaging at baseline and were treated with methylphenidate and atomoxetine using a randomized cross-over design...
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28647009/teenage-parenthood-and-birth-rates-for-individuals-with-and-without-attention-deficit-hyperactivity-disorder-a-nationwide-cohort-study
#18
Søren D Østergaard, Søren Dalsgaard, Stephen V Faraone, Trine Munk-Olsen, Thomas M Laursen
OBJECTIVE: Prior studies have established that attention-deficit/hyperactivity disorder (ADHD) is associated with risky sexual behavior, but it remains unknown whether individuals with ADHD also are more likely to become parents while being teenagers. This aspect is clinically relevant because teenage parenthood is associated with adverse outcomes for parents and children. Therefore, the main aim of this study was to investigate whether individuals with ADHD would be more likely to become teenage parents compared with individuals without ADHD...
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28647007/childhood-psychiatric-disorders-as-risk-factor-for-subsequent-substance-abuse-a-meta-analysis
#19
REVIEW
Annabeth P Groenman, Tieme W P Janssen, Jaap Oosterlaan
OBJECTIVE: To assess the prospective risk of developing substance-related disorders after childhood mental health disorders (i.e., attention-deficit/hyperactivity disorder [ADHD], oppositional defiant disorder [ODD] or conduct disorder [CD], anxiety disorder, and depression) using meta-analysis. METHOD: PubMed, Embase, and PsycInfo were searched for relevant longitudinal studies that described childhood (<18 years old) ADHD, ODD or CD, anxiety, or depression in relation to later alcohol-, nicotine-, or drug-related disorders or substance use disorders (SUDs) published in peer-reviewed journals in the English language from 1986 to May 2016...
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28647005/individual-variability-and-medications-to-treat-attention-deficit-hyperactivity-disorder-the-world-according-to-the-caudate
#20
EDITORIAL
Tonya White
No abstract text is available yet for this article.
July 2017: Journal of the American Academy of Child and Adolescent Psychiatry
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