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https://www.readbyqxmd.com/read/28738394/the-contribution-of-adult-hippocampal-neurogenesis-to-the-progression-of-psychiatric-disorders
#1
Rachel A Kohman, Justin S Rhodes
New neurons are continuously formed in the adult hippocampus of the human, nonhuman primate, and rodent throughout life though rates of neurogenesis precipitously decline with age to near zero levels at the end of the natural life span. Since its discovery in the 1960s, a large number of studies have documented numerous environmental and genetic factors which regulate adult neurogenesis. Chief among the positive regulators of neurogenesis are exercise and antidepressant drugs. Chief among the negative regulators of neurogenesis besides age are stress and inflammation...
July 24, 2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738330/the-brain-gut-axis-contributes-to-neuroprogression-in-stress-related-disorders
#2
Kieran Rea, Timothy G Dinan, John F Cryan
There is a growing emphasis on the relationship between the complexity and diversity of the microorganisms that inhabit our gut (human gastrointestinal microbiota) and brain health. The microbiota-gut-brain axis is a dynamic matrix of tissues and organs including the brain, glands, gut, immune cells, and gastrointestinal microbiota that communicate in a complex multidirectional manner to maintain homeostasis. Changes in this environment may contribute to the neuroprogression of stress-related disorders by altering physiological processes including hypothalamic-pituitary-adrenal axis activation, neurotransmitter systems, immune function, and inflammatory responses...
July 24, 2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28738322/pediatric-obstructive-sleep-apnea-where-do-we-stand
#3
Yu-Shu Huang, Christian Guilleminault
Pediatric obstructive sleep apnea (OSA) was initially described in 1976. In 1981, Dr. Guilleminault emphasized that pediatric OSA was different from the clinical presentation reported in adults. It was characterized by more disturbed nocturnal sleep than excessive daytime sleepiness, and presented more behavioral problems, particularly school problems, hyperactivity, nocturnal enuresis, sleep terrors, depression, insomnia, and psychiatric problems. The underlying causes of pediatric OSA are complex. Such factors as adenotonsillar hypertrophy, obesity, anatomical and neuromuscular factors, and hypotonic neuromuscular disease are also involved...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28738315/dimensions-of-parenting-among-mothers-and-fathers-in-relation-to-social-anxiety-among-female-adolescents
#4
Teah-Marie Bynion, Heidemarie Blumenthal, Sarah A Bilsky, Renee M Cloutier, Ellen W Leen-Feldner
Social anxiety is the most common anxiety disorder among youth; theoretical and empirical work suggest specific parenting behaviors may be relevant. However, findings are inconsistent, particularly in terms of maternal as compared to paternal effects. In the current study, we evaluated the indirect effects of perceived psychological control on the relation between anxious rearing behaviors and child social anxiety among 112 community-recruited girls (ages 12-15 years). In addition to self-report, adolescent participants completed a laboratory-based social stress task...
July 21, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28738293/oxytocin-effects-on-emotional-response-to-others-faces-via-serotonin-system-in-autism-a-pilot-study
#5
Mina Fukai, Tetsu Hirosawa, Mitsuru Kikuchi, Yasuomi Ouchi, Tetsuya Takahashi, Yuko Yoshimura, Yoshiaki Miyagishi, Hirotaka Kosaka, Masamichi Yokokura, Etsuji Yoshikawa, Tomoyasu Bunai, Yoshio Minabe
The oxytocin (OT)-related serotonergic system is thought to play an important role in the etiology and social symptoms of autism spectrum disorder (ASD). However, no evidence exists for the relation between the prosocial effect of chronic OT administration and the brain serotonergic system. Ten male subjects with ASD were administered OT for 8-10 weeks in an open-label, single-arm, non-randomized, uncontrolled manner. Before and during the OT treatment, positron emission tomography was used with the ((11)C)-3-amino-4-(2-[(demethylamino)methyl]phenylthio)benzonitrile((11)C-DASB) radiotracer...
June 28, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28738112/central-role-of-protein-kinase-a-in-promoting-trigeminal-nociception-in-an-in-vivo-model-of-temporomandibular-disorders
#6
Lindsey K Koop, Jordan L Hawkins, Lauren E Cornelison, Paul L Durham
AIMS: To investigate cellular changes in the spinal trigeminal nucleus (STN) and trigeminal ganglion (TG) associated with trigeminal nociception mediated by inflammation in the temporomandibular joint (TMJ). METHODS: Male Sprague-Dawley rats (n = 86) were utilized to investigate cellular and behavioral responses to prolonged TMJ inflammation caused by bilateral injection of Complete Freund's Adjuvant (CFA) in the TMJ capsules. To investigate the cellular effects of protein kinase A (PKA) in the STN, rats were injected intrathecally with the selective PKA inhibitor KT5720 prior to injection of CFA into both TMJ capsules...
July 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28737978/risk-of-violence-among-patients-in-psychiatric-treatment-results-from-a-national-census
#7
Solveig Osborg Ose, Solfrid Lilleeng, Ivar Pettersen, Torleif Ruud, Jaap van Weeghel
BACKGROUND: Adverse media coverage of isolated incidents affects the public perception of the risk of violent behavior among people with mental illness. However, the risk of violence is studied most frequently among inpatients, which falsely exaggerates the prevalence of people with mental illness because the majority of individuals receive treatment as outpatients. AIM: To estimate the prevalence of the risk of violence among inpatients and outpatients in psychiatric treatment, as well as the associations with gender, age, socio-economic status and co-morbid substance use disorders in all major diagnostic categories...
July 24, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28737954/an-app-a-day-keeps-the-doctor-away-guided-education-and-training-via-smartphones-in-subthreshold-post-traumatic-stress-disorder
#8
Michael J Roy, Michelle E Costanzo, Krista B Highland, Cara Olsen, Denece Clayborne, Wendy Law
Post traumatic stress disorder (PTSD) symptoms are common in military service members (SMs), but stigma can impede treatment initiation. Smartphone applications (apps) are available anywhere, anytime, with the potential to both mitigate the impact of stigma and reduce PTSD symptom severity. We provided 144 SMs or family members, with subthreshold PTSD symptoms (PTSD Checklist [PCL] scores of 28-49), with apps promoting psychoeducation, social engagement, and relaxation and randomized them to 6 weeks of resilience enhancement (brief cognitive-behavioral session, followed by daily text messages directing app use) or a control group (daily text messages of inspirational quotes)...
July 24, 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/28737885/classics-in-chemical-neuroscience-memantine
#9
Shahrina Alam, Kaelyn Skye Lingenfelter, Aaron M Bender, Craig W Lindsley
Memantine was the first breakthrough medication for the treatment of moderate to severe Alzheimer's disease (AD) patients, and represents a fundamentally new mechanism of action (moderate-affinity, uncompetitive, voltage-dependent, N-methyl-D-aspartate (NMDA) receptor antagonist that exhibits fast on/off kinetics) to modulate glutamatergic dysfunction. Since its approval by the FDA in 2003, memantine, alone, and in combination with donepezil, has improved patient outcomes in terms of cognition, behavioral disturbances, daily functioning and delaying time to institutionalization...
July 24, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28737419/behavioral-activation-as-a-common-mechanism-of-change-across-different-orientations-and-disorders
#10
Giancarlo Dimaggio, Golan Shahar
Behavioral activation is an effective treatment for depression, based on targeting deprivation of positive rewards. It becomes more and more evident that many forms of mental disorders and psychological suffering involve reduction of goal-driven and pleasant activities. This reduction leaves negative mental states free to take the center of consciousness, without being counterbalanced by positive feelings, memories, and experiences of agency, self-efficacy, competence, relaxation, energy, and satisfaction. Reduced activity can be found in disorders ranging from chronic pain to personality disorders and schizophrenia...
July 24, 2017: Psychotherapy
https://www.readbyqxmd.com/read/28737328/-documenting-a-rehabilitation-program-using-a-logic-model-an-advantage-to-the-assessment-process
#11
Frédérique Poncet, Bonnie Swaine, Pascale Pradat-Diehl
<ce:para>The cognitive and behavioral disorders after brain injury can result in severe limitations of activities and restrictions of participation. An interdisciplinary rehabilitation program was developed in physical medicine and rehabilitation at the Pitié-Salpêtriere Hospital, Paris, France. Clinicians believe this program decreases activity limitations and improves participation in patients. However, the program’s effectiveness had never been assessed. To do this, we had to define/describe this program...
March 6, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28737225/psychostimulant-effect-of-dopaminergic-treatment-and-addictions-in-parkinson-s-disease
#12
Benoit Delpont, Eugénie Lhommée, Hélène Klinger, Emmanuelle Schmitt, Amélie Bichon, Valérie Fraix, Anna Castrioto, Jean-Louis Quesada, Pierre Pélissier, Andrea Kistner, Sébastien Carnicella, Christian Lüscher, Emmanuel Broussolle, Pierre Pollak, Stéphane Thobois, Paul Krack
BACKGROUND: Dopamine replacement therapy in PD has been associated with both behavioral addictions and dopamine addiction. OBJECTIVES: To investigate potential association between l-dopa induced neuropsychiatric fluctuations and addictions in PD. METHODS: A cohort of 102 patients with PD suffering from motor complications of l-dopa treatment was prospectively analyzed. We evaluated dopamine addiction, behavioral addictions, and neuropsychiatric fluctuations using the Ardouin scale of behavior in PD...
July 24, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28736798/sympathetic-under-arousal-and-externalizing-behavior-problems-in-children-with-autism-spectrum-disorder
#13
Jason K Baker, Rachel M Fenning, Stephen A Erath, Brian R Baucom, Jacquelyn Moffitt, Mariann A Howland
Children with autism spectrum disorder (ASD) commonly exhibit co-occurring externalizing behavior problems, which can impede learning opportunities and contribute significantly to caregiver stress. Substantial theory and research has linked under-arousal of the sympathetic nervous system to increased externalizing problems in children without ASD, but under-arousal has not been considered as an explanatory mechanism for individual differences among children with ASD. We tested the notion that lower electrodermal activity (EDA) would predict more externalizing problems in children with ASD, and considered the degree to which parent co-regulatory support could buffer this risk...
July 24, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28736755/risky-decision-making-in-neurofibromatosis-type-1-an-exploratory-study
#14
Rachel K Jonas, EunJi Roh, Caroline A Montojo, Laura A Pacheco, Tena Rosser, Alcino J Silva, Carrie E Bearden
BACKGROUND: Neurofibromatosis type 1 (NF1) is a monogenic disorder affecting cognitive function. About one third of children with NF1 have attentional disorders, and the cognitive phenotype is characterized by impairment in prefrontally-mediated functions. Mouse models of NF1 show irregularities in GABA release and striatal dopamine metabolism. We hypothesized that youth with NF1 would show abnormal behavior and neural activity on a task of risk-taking reliant on prefrontal-striatal circuits...
March 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28736544/non-suicidal-self-injury-in-eating-disordered-patients-associations-with-heart-rate-variability-and-state-trait-anxiety
#15
Cristina Giner-Bartolome, Núria Mallorquí-Bagué, Iris Tolosa-Sola, Trevor Steward, Susana Jimenez-Murcia, Roser Granero, Fernando Fernandez-Aranda
Background: Non-suicidal self-injury (NSSI) is commonly present in individuals with eating disorders (EDs) and is often employed as a maladaptive emotion regulation strategy to avoid or abate negative emotions. One of the most prevalent negative emotions experienced by self-injurers is anxiety; however, this emotion has not been extensively studied in this population. Thus, the aim of our study was to investigate the influence of anxiety on NSSI in patients with ED from two different dimensions: state anxiety and trait anxiety...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28736503/-do-you-see-what-i-mean-staff-collaboration-in-eating-disorder-units-during-mealtimes
#16
Trine Wiig Hage, Øyvind Rø, Anne Moen
BACKGROUND: Eating disorders are psychiatric illnesses with potentially life-threatening consequences. Inpatient treatment is typically required for the most severely ill patients, who are often emaciated or significantly malnourished. A core therapeutic objective is to normalize eating patterns and facilitate weight gain. These goals guide the efforts of milieu therapeutic staff working with this patient group, who support renourishment through the positive manipulation of a structured environment, as well via relational aspects...
2017: BMC Nursing
https://www.readbyqxmd.com/read/28736323/offspring-neuroimmune-consequences-of-maternal-malnutrition-potential-mechanism-for-behavioral-impairments-that-underlie-metabolic-and-neurodevelopmental-disorders
#17
REVIEW
B L Smith, T M Reyes
Maternal malnutrition significantly increases offspring risk for both metabolic and neurodevelopmental disorders. Animal models of maternal malnutrition have identified behavioral changes in the adult offspring related to executive function and reward processing. Together, these changes in executive and reward-based behaviors likely contribute to the etiology of both metabolic and neurodevelopmental disorders associated with maternal malnutrition. Concomitant with the behavioral effects, maternal malnutrition alters offspring expression of reward-related molecules and inflammatory signals in brain pathways that control executive function and reward...
July 20, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/28736241/oxytocin-release-via-activation-of-trpm2-and-cd38-in-the-hypothalamus-during-hyperthermia-in-mice-implication-for-autism-spectrum-disorder
#18
REVIEW
Haruhiro Higashida, Teruko Yuhi, Shirin Akther, Sarwat Amina, Jing Zhong, Mingkun Liang, Tomoko Nishimura, Hong-Xiang Liu, Olga Lopatina
Oxytocin (OT) is a critical molecule for social recognition that mediates social and emotional behaviors. OT is released during stress and acts as an anxiolytic factor. To know the precise molecular mechanisms underlying OT release into the brain during stress is important. It has been reported that intracellular concentrations of free calcium in the hypothalamic neurons are elevated by simultaneous stimulation of cyclic ADP-ribose (cADPR) and heat. We have reported in vitro and in vivo data that supports the idea that release of OT in the brain of male mice is regulated by cADPR and fever in relation to stress conditions...
July 20, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28736034/salvianolic-acid-b-promotes-microglial-m2-polarization-and-rescues-neurogenesis-in-stress-exposed-mice
#19
Jinqiang Zhang, Xiaofang Xie, Mingming Tang, Jing Zhang, Boyang Zhang, Qiuying Zhao, Yue Han, Wan Yan, Cheng Peng, Zili You
Although accumulating evidence suggests that activated microglia are associated with deficits in neurogenesis and contribute to the physiopathology of major depressive disorder, the role of microglia in treating depression remains poorly understood. Our previous study showed that salvianolic acid (SalB) has the regulation of neuroinflammatory responses and antidepressant-like effects. Here, we hypothesized that SalB's therapeutic effects occur because it modulates microglial phenotypes that are associated with neurogenesis...
July 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28736033/acid-sensing-t-cell-death-associated-gene-8-receptor-expression-in-panic-disorder
#20
Jeffrey R Strawn, Lauren L Vollmer, Katherine M J McMurray, Jeffrey A Mills, Sarah A Mossman, Sara T Varney, Heidi K Schroeder, Renu Sah
BACKGROUND: While disruption of acid-base homeostasis has been pathoetiologically implicated in panic disorder (PD), the mechanism by which pH imbalance is translated to panic pathophysiology is poorly understood. Recently, in a translational rodent model of PD, we reported a role of microglial acid sensing G-protein coupled receptor, T cell death associated gene-8 (TDAG8) in panic-associated behavior and physiology. However, the clinical validity of the TDAG8 receptor has not been investigated...
July 20, 2017: Brain, Behavior, and Immunity
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