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tDCS AND appetite

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https://www.readbyqxmd.com/read/27428861/effects-of-noninvasive-brain-stimulation-on-food-cravings-and-consumption-a-meta-analytic-review
#1
Cassandra J Lowe, Corita Vincent, Peter A Hall
OBJECTIVE: The primary aim of this review was to evaluate the effectiveness of noninvasive brain stimulation to the dorsolateral prefrontal cortex (dlPFC) for modulating appetitive food cravings and consumption in laboratory (via meta-analysis) and therapeutic (via systematic review) contexts. METHODS: Keyword searches of electronic databases (PubMed, Scopus, Web of Science, PsychoInfo, and EMBASE) and searches of previous quantitative reviews were used to identify studies (experimental [single-session] or randomized trials [multi-session]) that examined the effects of neuromodulation to the dlPFC on food cravings (n = 9) and/or consumption (n = 7)...
July 16, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/26968807/reduced-affective-biasing-of-instrumental-action-with-tdcs-over-the-prefrontal-cortex
#2
Verena Ly, Til O Bergmann, Thomas E Gladwin, Inge Volman, Niccolo Usberti, Roshan Cools, Karin Roelofs
BACKGROUND: Instrumental action is well known to be vulnerable to affective value. Excessive transfer of affective value to instrumental action is thought to contribute to psychiatric disorders. The brain region most commonly implicated in overriding such affective biasing of instrumental action is the prefrontal cortex. OBJECTIVE: The aim of the present study was to reduce affective biasing of instrumental action using transcranial direct current stimulation (tDCS) in young healthy human volunteers...
May 2016: Brain Stimulation
https://www.readbyqxmd.com/read/26590516/transcranial-direct-current-stimulation-reduces-food-craving-and-measures-of-hyperphagia-behavior-in-participants-with-prader-willi-syndrome
#3
Gabriela L Bravo, Albert B Poje, Iago Perissinotti, Bianca F Marcondes, Mauricio F Villamar, Ann M Manzardo, Laura Luque, Jean F LePage, Diane Stafford, Felipe Fregni, Merlin G Butler
Prader-Willi syndrome (PWS) is a neurodevelopmental genetic disorder characterized by intellectual disabilities and insatiable appetite with compulsive eating leading to severe obesity with detrimental health consequences. Transcranial direct current stimulation (tDCS) has been shown to modulate decision-making and cue-induced food craving in healthy adults. We conducted a pilot double blind, sham-controlled, multicenter study of tDCS modulation of food drive and craving in 10 adult PWS participants, 11 adult obese (OB) and 11 adult healthy-weight control (HWC) subjects...
March 2016: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/25576052/blunted-brain-energy-consumption-relates-to-insula-atrophy-and-impaired-glucose-tolerance-in-obesity
#4
Kamila Jauch-Chara, Ferdinand Binkofski, Michaela Loebig, Kathrin Reetz, Gianna Jahn, Uwe H Melchert, Ulrich Schweiger, Kerstin M Oltmanns
Brain energy consumption induced by electrical stimulation increases systemic glucose tolerance in normal-weight men. In obesity, fundamental reductions in brain energy levels, gray matter density, and cortical metabolism, as well as chronically impaired glucose tolerance, suggest that disturbed neuroenergetic regulation may be involved in the development of overweight and obesity. Here, we induced neuronal excitation by anodal transcranial direct current stimulation versus sham, examined cerebral energy consumption with (31)P magnetic resonance spectroscopy, and determined systemic glucose uptake by euglycemic-hyperinsulinemic glucose clamp in 15 normal-weight and 15 obese participants...
June 2015: Diabetes
https://www.readbyqxmd.com/read/25269861/focused-transcranial-direct-current-stimulation-tdcs-over-the-dorsolateral-prefrontal-cortex-modulates-specific-domains-of-self-regulation
#5
Jürgen Pripfl, Claus Lamm
Recent neuroscience theories suggest that different kinds of self-regulation may share a common psychobiological mechanism. However, empirical evidence for a domain general self-regulation mechanism is scarce. The aim of this study was to investigate whether focused anodal transcranial direct current stimulation (tDCS), facilitating the activity of the dorsolateral prefrontal cortex (dlPFC), acts on a domain general self-regulation mechanism and thus modulates both affective and appetitive self-regulation. Twenty smokers participated in this within-subject sham controlled study...
February 2015: Neuroscience Research
https://www.readbyqxmd.com/read/25099550/repetitive-electric-brain-stimulation-reduces-food-intake-in-humans
#6
RANDOMIZED CONTROLLED TRIAL
Kamila Jauch-Chara, Alina Kistenmacher, Nina Herzog, Marianka Schwarz, Ulrich Schweiger, Kerstin M Oltmanns
BACKGROUND: The dorsolateral prefrontal cortex (DLPFC) plays an important role in appetite and food intake regulation. OBJECTIVE: Because previous data revealed that transcranial direct current stimulation (tDCS) of the DLPFC reduces food cravings, we hypothesized that repetitive electric stimulation of the right DLPFC would lower food intake behavior in humans. DESIGN: In a single-blind, code-based, placebo-controlled, counterbalanced, randomized crossover experiment, 14 healthy young men with body mass index (in kg/m(2)) from 20 to 25 were examined during 8 d of daily tDCS or a sham stimulation...
October 2014: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/24060107/differential-improvement-in-depressive-symptoms-for-tdcs-alone-and-combined-with-pharmacotherapy-an-exploratory-analysis-from-the-sertraline-vs-electrical-current-therapy-for-treating-depression-clinical-study
#7
RANDOMIZED CONTROLLED TRIAL
Andre R Brunoni, Renério Fráguas Júnior, Andrew H Kemp, Paulo A Lotufo, Isabela M Benseñor, Felipe Fregni
Transcranial direct current stimulation (tDCS) is a promising therapy for major depression treatment, although little is known of its effects in ameliorating distinct symptoms of depression. Thus, it is important, not only to increase knowledge of its antidepressant mechanisms, but also to guide its potential use in clinical practice. Using data from a recent factorial, double-blinded, placebo-controlled trial applying tDCS-alone and combined with sertraline to treat 120 depressed outpatients over 6 wk (Brunoni et al...
January 2014: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/22108669/prefrontal-cortex-transcranial-direct-current-stimulation-associated-with-aerobic-exercise-change-aspects-of-appetite-sensation-in-overweight-adults
#8
Rafael A Montenegro, Alexandre H Okano, Felipe A Cunha, Jonas L Gurgel, Eduardo B Fontes, Paulo T V Farinatti
This study investigated whether transcranial direct current stimulation (tDCS) on dorsolateral prefrontal cortex (DLPFC) isolated or combined with aerobic exercise influenced the desire to eat, hunger, and satiety in overweight subjects. Nine volunteers underwent anodal or sham tDCS (2 mA; 20 min) over DLPFC and isocaloric exercise bouts (70%VO(2)R; ~200 kcal). The appetite sensations were evaluated by visual analogue scales at four moments: I - Baseline; II - After tDCS; III - Post-Exercise and IV - 30-min Post-Exercise...
February 2012: Appetite
https://www.readbyqxmd.com/read/17553993/activation-of-prefrontal-cortex-by-transcranial-direct-current-stimulation-reduces-appetite-for-risk-during-ambiguous-decision-making
#9
RANDOMIZED CONTROLLED TRIAL
Shirley Fecteau, Alvaro Pascual-Leone, David H Zald, Paola Liguori, Hugo Théoret, Paulo S Boggio, Felipe Fregni
As adult humans, we are continuously faced with decisions in which proper weighing of the risk involved is critical. Excessively risky or overly cautious decision making can both have disastrous real-world consequences. Weighing of risks and benefits toward decision making involves a complex neural network that includes the dorsolateral prefrontal cortex (DLPFC), but its role remains unclear. Repetitive transcranial magnetic stimulation studies have shown that disruption of the DLPFC increases risk-taking behavior...
June 6, 2007: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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