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https://www.readbyqxmd.com/read/28569221/a-four-part-working-bibliography-of-neuroethics-part-4-ethical-issues-in-clinical-and-social-applications-of-neuroscience
#1
EDITORIAL
Kira Becker, John R Shook, Martina Darragh, James Giordano
BACKGROUND: As a discipline, neuroethics addresses a range of questions and issues generated by basic neuroscientific research (inclusive of studies of putative neurobiological processes involved in moral and ethical cognition and behavior), and its use and meanings in the clinical and social spheres. Here, we present Part 4 of a four-part bibliography of the neuroethics literature focusing on clinical and social applications of neuroscience, to include: the treatment-enhancement discourse; issues arising in neurology, psychiatry, and pain care; neuroethics education and training; neuroethics and the law; neuroethics and policy and political issues; international neuroethics; and discourses addressing "trans-" and "post-" humanity...
May 31, 2017: Philosophy, Ethics, and Humanities in Medicine: PEHM
https://www.readbyqxmd.com/read/28553839/a-primer-on-foraging-and-the-explore-exploit-trade-off-for-psychiatry-research
#2
REVIEW
M A Addicott, J M Pearson, M M Sweitzer, D L Barack, M L Platt
Foraging is a fundamental behavior, and many types of animals appear to have solved foraging problems using a shared set of mechanisms. Perhaps the most common foraging problem is the choice between exploiting a familiar option for a known reward and exploring unfamiliar options for unknown rewards-the so-called explore-exploit trade-off. This trade-off has been studied extensively in behavioral ecology and computational neuroscience, but is relatively new to the field of psychiatry. Explore/exploit paradigms can offer psychiatry research a new approach to studying motivation, outcome valuation, and effort-related processes, which are disrupted in many mental and emotional disorders...
May 29, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28541234/psychiatric-specialty-training-in-greece
#3
EDITORIAL
M Margariti, V Kontaxakis, D Ploumpidis
The reform and development of psychiatric services require, in addition to financial resources, reserves in specialized human resources. The role of psychiatrists in this process, and at reducing the consequences of mental morbidity is evident. Psychiatrists are required to play a multifaceted role as clinicians, as experts in multidisciplinary team environments and as advisors in the recognition of public needs in mental health issues, as teachers and mentors for students and other health professionals, as researchers in order to enrich our knowledge in the scientific field of psychiatry, and as public health specialists in the development of the mental health services system...
January 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28539947/development-of-a-diverse-learning-experience-for-diverse-psychiatry-resident-needs-a-four-year-biological-psychiatry-curriculum-incorporating-principles-of-neurobiology-psychopharmacology-and-evidence-based-practice
#4
Andrew J Muzyk, Jane P Gagliardi, Gopalkumar Rakesh, Michael R Jiroutek, Rajiv Radhakrishnan, Chi-Un Pae, Prakash S Masand, Steven T Szabo
OBJECTIVE: A clinically relevant approach to patient care grounded in neurobiological constructs and evidence based practice which emphasizes a relevant psychopharmacology is needed to optimally train psychiatry residents. METHODS: We implemented a biological psychiatry course that now incorporates neurobiology, psychopharmacology, and evidence-based practice in conjunction with a Research Domain Criteria (RDoC) perspective. A survey launched prior to course implementation and following each class session, served as the outcome metric of residents' attitudes toward the new curriculum and followed a baseline attitudinal survey designed to evaluate the program...
May 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28496375/revisiting-the-etiological-aspects-of-dissociative-identity-disorder-a-biopsychosocial-perspective
#5
REVIEW
Vedat Şar, Martin J Dorahy, Christa Krüger
Dissociative identity disorder (DID) is a chronic post-traumatic disorder where developmentally stressful events in childhood, including abuse, emotional neglect, disturbed attachment, and boundary violations are central and typical etiological factors. Familial, societal, and cultural factors may give rise to the trauma and/or they may influence the expression of DID. Memory and the construction of self-identity are cognitive processes that appear markedly and centrally disrupted in DID and are related to its etiology...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/28478887/investigating-the-neurobiology-of-schizophrenia-and-other-major-psychiatric-disorders-with-transcranial-magnetic-stimulation
#6
REVIEW
Rachel E Kaskie, Fabio Ferrarelli
Characterizing the neurobiology of schizophrenia and other major psychiatric disorders is one of the main challenges of the current research in psychiatry. The availability of Transcranial Magnetic Stimulation (TMS) allows to directly probe virtually any cortical areas, thus providing a unique way to assess the neurophysiological properties of cortical neurons. This article presents a review of studies employing TMS in combination with Motor Evoked Potentials (TMS/MEPs) and high density Electroencephalogram (TMS/hd-EEG) in schizophrenia and other major psychiatric disorders...
May 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28471555/-conversion-disorder-functional-neuroimaging-and-neurobiological-mechanisms
#7
J Lejeune, C Piette, E Salmon, G Scantamburlo
Conversion disorder is a psychiatric disorder often encountered in neurology services. This condition without organic lesions was and still is sometimes referred as an imaginary illness or feigning. However, the absence of organic lesions does not exclude the possibility of cerebral dysfunction. The etiologic mechanisms underlying this disorder remain uncertain even today.The advent of cognitive and functional imaging opens up a field of exploration for psychiatry in understanding the neurobiological mechanisms underlying mental disorders and especially the conversion disorder...
April 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28458034/emotional-learning-stress-and-development-an-ever-changing-landscape-shaped-by-early-life-experience
#8
Siobhan S Pattwell, Kevin G Bath
The capacity to learn to associate cues with negative outcomes is a highly adaptive process that appears to be conserved across species. However, when the cue is no longer a valid predictor of danger, but the emotional response persists, this can result in maladaptive behaviors, and in humans contribute to debilitating emotional disorders. Over the past several decades, work in neuroscience, psychiatry, psychology, and biology have uncovered key processes underlying, and structures governing, emotional responding and learning, as well as identified disruptions in the structural and functional integrity of these brain regions in models of pathology...
April 27, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28441884/targeting-neuronal-dysfunction-in-schizophrenia-with-nicotine-evidence-from-neurophysiology-to-neuroimaging
#9
Jason Smucny, Jason R Tregellas
Patients with schizophrenia self-administer nicotine at rates higher than is self-administered for any other psychiatric illness. Although the reasons are unclear, one hypothesis suggests that nicotine is a form of 'self-medication' in order to restore normal levels of nicotinic signaling and target abnormalities in neuronal function associated with cognitive processes. This brief review discusses evidence from neurophysiological and neuroimaging studies in schizophrenia patients that nicotinic agonists may effectively target dysfunctional neuronal circuits in the illness...
April 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28439100/ventral-striatal-regulation-of-crem-mediates-impulsive-action-and-drug-addiction-vulnerability
#10
M L Miller, Y Ren, H Szutorisz, N A Warren, C Tessereau, G Egervari, A Mlodnicka, M Kapoor, B Chaarani, C V Morris, G Schumann, H Garavan, A M Goate, M J Bannon, J M Halperin, Y L Hurd
Impulsivity, a multifaceted behavioral hallmark of attention-deficit/hyperactivity disorder (ADHD), strongly influences addiction vulnerability and other psychiatric disorders that incur enormous medical and societal burdens yet the neurobiological underpinnings linking impulsivity to disease remain poorly understood. Here we report the critical role of ventral striatal cAMP-response element modulator (CREM) in mediating impulsivity relevant to drug abuse vulnerability. Using an ADHD rat model, we demonstrate that impulsive animals are neurochemically and behaviorally more sensitive to heroin and exhibit reduced Crem expression in the nucleus accumbens core...
April 25, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28416813/brain-derived-neurotrophic-factor-val-66-met-genotype-and-ovarian-steroids-interactively-modulate-working-memory-related-hippocampal-function-in-women-a-multimodal-neuroimaging-study
#11
S-M Wei, E B Baller, P D Kohn, J S Kippenhan, B Kolachana, S J Soldin, D R Rubinow, P J Schmidt, K F Berman
Preclinical evidence suggests that the actions of ovarian steroid hormones and brain-derived neurotrophic factor (BDNF) are highly convergent on brain function. Studies in humanized mice document an interaction between estrus cycle-related changes in estradiol secretion and BDNF Val(66)Met genotype on measures of hippocampal function and anxiety-like behavior. We believe our multimodal imaging data provide the first demonstration in women that the effects of the BDNF Val/Met polymorphism on hippocampal function are selectively modulated by estradiol...
April 18, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28407461/the-biological-basis-to-personality-disorders
#12
Malathi L Perugula, Puneet D Narang, Steven B Lippmann
Objective: To provide understanding into the biological basis of thinking and behavior in people with personality disorders, explain anatomic findings, and appraise therapeutic options. Data Sources: PubMed was searched with no date restrictions using the terms personality disorders DSM-5, cluster B personality disorders, biological psychiatry of personality disorders, neurobiology of personality disorders, and neurobiology of cluster B personality disorders. Study Selection/Data Extraction: We identified 2,790 English-language articles and utilized 18 in this report...
April 13, 2017: Primary Care Companion to CNS Disorders
https://www.readbyqxmd.com/read/28358316/theranostic-biomarkers-for-schizophrenia
#13
REVIEW
Matea Nikolac Perkovic, Gordana Nedic Erjavec, Dubravka Svob Strac, Suzana Uzun, Oliver Kozumplik, Nela Pivac
Schizophrenia is a highly heritable, chronic, severe, disabling neurodevelopmental brain disorder with a heterogeneous genetic and neurobiological background, which is still poorly understood. To allow better diagnostic procedures and therapeutic strategies in schizophrenia patients, use of easy accessible biomarkers is suggested. The most frequently used biomarkers in schizophrenia are those associated with the neuroimmune and neuroendocrine system, metabolism, different neurotransmitter systems and neurotrophic factors...
March 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28348383/prefrontal-gray-matter-volume-mediates-genetic-risks-for-obesity
#14
N Opel, R Redlich, C Kaehler, D Grotegerd, K Dohm, W Heindel, H Kugel, A Thalamuthu, N Koutsouleris, V Arolt, A Teuber, H Wersching, B T Baune, K Berger, U Dannlowski
Genetic and neuroimaging research has identified neurobiological correlates of obesity. However, evidence for an integrated model of genetic risk and brain structural alterations in the pathophysiology of obesity is still absent. Here we investigated the relationship between polygenic risk for obesity, gray matter structure and body mass index (BMI) by the use of univariate and multivariate analyses in two large, independent cohorts (n=330 and n=347). Higher BMI and higher polygenic risk for obesity were significantly associated with medial prefrontal gray matter decrease, and prefrontal gray matter was further shown to significantly mediate the effect of polygenic risk for obesity on BMI in both samples...
March 28, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28348379/genetic-evidence-for-role-of-integration-of-fast-and-slow-neurotransmission-in-schizophrenia
#15
A Devor, O A Andreassen, Y Wang, T Mäki-Marttunen, O B Smeland, C-C Fan, A J Schork, D Holland, W K Thompson, A Witoelar, C-H Chen, R S Desikan, L K McEvoy, S Djurovic, P Greengard, P Svenningsson, G T Einevoll, A M Dale
The most recent genome-wide association studies (GWAS) of schizophrenia (SCZ) identified hundreds of risk variants potentially implicated in the disease. Further, novel statistical methodology designed for polygenic architecture revealed more potential risk variants. This can provide a link between individual genetic factors and the mechanistic underpinnings of SCZ. Intriguingly, a large number of genes coding for ionotropic and metabotropic receptors for various neurotransmitters-glutamate, γ-aminobutyric acid (GABA), dopamine, serotonin, acetylcholine and opioids-and numerous ion channels were associated with SCZ...
June 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28343453/a-trans-diagnostic-perspective-on-obsessive-compulsive-disorder
#16
C M Gillan, N A Fineberg, T W Robbins
Progress in understanding the underlying neurobiology of obsessive-compulsive disorder (OCD) has stalled in part because of the considerable problem of heterogeneity within this diagnostic category, and homogeneity across other putatively discrete, diagnostic categories. As psychiatry begins to recognize the shortcomings of a purely symptom-based psychiatric nosology, new data-driven approaches have begun to be utilized with the goal of solving these problems: specifically, identifying trans-diagnostic aspects of clinical phenomenology based on their association with neurobiological processes...
March 27, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28324134/-between-psyche-and-brain-state-of-the-art-in-psychiatry
#17
T Fuchs
Since its development around 1800 psychiatry has been oscillating between the poles of the sciences and the humanities, being directed towards subjective experience on the one hand and towards the neural substrate on the other hand. Today, this dualism seems to have been overcome by a naturalism, which identifies subjective experience with neural processes, according to Griesinger's frequently quoted statement "mental diseases are brain diseases". The progress achieved by the neurobiological paradigm on the level of a fundamental science is in contrast to the tendency to isolate mental illnesses from the patients' social relationships and to neglect subjectivity and intersubjectivity in their explanation...
March 21, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28320870/clinical-considerations-related-to-the-behavioral-manifestations-of-child-maltreatment
#18
Robert D Sege, Lisa Amaya-Jackson
Children who have suffered early abuse or neglect may later present with significant health and behavior problems that may persist long after the abusive or neglectful environment has been remediated. Neurobiological research suggests that early maltreatment may result in an altered psychological and physiologic response to stressful stimuli, a response that deleteriously affects the child's subsequent development. Pediatricians can assist caregivers by helping them recognize the abused or neglected child's emotional and behavioral responses associated with child maltreatment and guide them in the use of positive parenting strategies, referring the children and families to evidence-based therapeutic treatment and mobilizing available community resources...
April 2017: Pediatrics
https://www.readbyqxmd.com/read/28320276/effects-of-short-term-exposure-to-lithium-on-antiapoptotic-bcl-xl-protein-expression-in-cortex-and-hippocampus-of-rats-after-acute-stress
#19
N N Dygalo, A V Bannova, E V Sukhareva, G T Shishkina, K A Ayriyants, T S Kalinina
The antiapoptotic protein Bcl-xL is involved in development of neurobiological resilience to stress; hence, the possibility of use of psychotropic drugs to increase its expression in brain in response to stress is of considerable interest. Lithium is a neurotropic drug widely used in psychiatry. In work, we studied effects of lithium administration (for 2 or 7 days) on the expression of Bcl-xL mRNA and protein in the hippocampi and cortices of rats subjected to stress that induced depression-like behavior in the animals...
March 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28317138/impact-of-providing-psychiatry-specialty-pharmacist-intervention-on-reducing-drug-related-problems-among-children-with-autism-spectrum-disorder-related-to-disruptive-behavioural-symptoms-a-prospective-randomized-open-label-study
#20
R Wongpakaran, T Suansanae, T Tan-Khum, C Kraivichian, R Ongarjsakulman, C Suthisisang
WHAT IS KNOWN AND OBJECTIVES: Psychopharmacologic therapy has so far focused on ameliorating disruptive behaviours to improve patient's function and quality of life. Due to the complicated neurobiological aetiology of autism spectrum disorder (ASD), a traditional pharmacist intervention may be insufficient to initiate the optimal care for this vulnerable population. We evaluate the impact of providing specialty psychiatry (PS) pharmacist intervention in identifying and resolving drug-related problems (DRPs) among children with ASD associated with disruptive behaviours...
March 20, 2017: Journal of Clinical Pharmacy and Therapeutics
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