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tDCS AND weight loss

Peter A Hall, Corita M Vincent, Amer M Burhan
OBJECTIVE: To describe the state of the human research literature pertaining to the use of non-invasive brain stimulation (NIBS) procedures for modulating food cravings, food consumption, and treating disorders of eating (i.e., obesity, bulimia nervosa, and anorexia nervosa). METHODS: A narrative review of methods, empirical findings, and current areas of controversy. Both single-session experimental and multi-session therapeutic modalities are considered, separately for repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) technologies...
March 11, 2017: Appetite
Marci E Gluck, Miguel Alonso-Alonso, Paolo Piaggi, Christopher M Weise, Reiner Jumpertz-von Schwartzenberg, Martin Reinhardt, Eric M Wassermann, Colleen A Venti, Susanne B Votruba, Jonathan Krakoff
OBJECTIVE: Obesity is associated with decreased activity in the prefrontal cortex. Transcranial direct current stimulation (tDCS) modifies cortical excitability and may facilitate improved control of eating. The energy intake (EI) and body weight in subjects who received cathodal versus sham (study 1) and subsequent anodal versus sham (study 2) tDCS aimed at the left dorsolateral prefrontal cortex (LDLPFC) were measured. METHODS: Nine (3m, 6f) healthy volunteers with obesity (94 ± 15 kg [M ± SD]; 42 ± 8 y) were admitted as inpatients for 9 days to participate in a double-blind, randomized, placebo-controlled crossover experiment...
November 2015: Obesity
Hang Ye, Shu Chen, Daqiang Huang, Siqi Wang, Jun Luo
When making choices under uncertainty, people usually consider both the risks and benefits of each option. Previous studies have found that weighing of risks and benefits during decision-making involves a complex neural network that includes the dorsolateral prefrontal cortex (DLPFC), but the causal effect of this network on risk decision-making has remained unclear. This experiment was based on a risk-measurement table designed to provide a direct measure of risk preference, with a weighted value of the choices (denoted as weighted risk aversion, WRA) as an index of the participant's degree of risk aversion...
June 1, 2015: Behavioural Brain Research
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