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03547nam a2200505Ia 4500 |
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10-1016-j-bpsc-2021-05-007 |
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220420s2022 CNT 000 0 und d |
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|a 24519022 (ISSN)
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|a Transcranial Direct Current Stimulation Targeting the Ventromedial Prefrontal Cortex Reduces Reactive Aggression and Modulates Electrophysiological Responses in a Forensic Population
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|b Elsevier Inc.
|c 2022
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|a 13
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|z View Fulltext in Publisher
|u https://doi.org/10.1016/j.bpsc.2021.05.007
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|a Background: Studies have shown that impairments in the ventromedial prefrontal cortex play a crucial role in violent behavior in forensic patients who also abuse cocaine and alcohol. Moreover, interventions that aimed to reduce violence risk in those patients are found not to be optimal. A promising intervention might be to modulate the ventromedial prefrontal cortex by high-definition (HD) transcranial direct current stimulation (tDCS). The current study aimed to examine HD-tDCS as an intervention to increase empathic abilities and reduce violent behavior in forensic substance dependent offenders. In addition, using electroencephalography, we examined the effects on the P3 and the late positive potential of the event-related potentials in reaction to situations that depict victims of aggression. Methods: Fifty male forensic patients with a substance dependence were tested in a double-blind, placebo-controlled randomized study. The patients received HD-tDCS 2 times a day for 20 minutes for 5 consecutive days. Before and after the intervention, the patients completed self-reports and performed the Point Subtraction Aggression Paradigm, and electroencephalography was recorded while patients performed an empathy task. Results: Results showed a decrease in aggressive responses on the Point Subtraction Aggression Paradigm and in self-reported reactive aggression in the active tDCS group. Additionally, we found a general increase in late positive potential amplitude after active tDCS. No effects on trait empathy and the P3 were found. Conclusions: Current findings are the first to find positive effects of HD-tDCS in reducing aggression and modulating electrophysiological responses in forensic patients, showing the potential of using tDCS as an intervention to reduce aggression in forensic mental health care. © 2021 Society of Biological Psychiatry
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|a aggression
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|a Aggression
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|a Aggression
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|a controlled study
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|a electroencephalography
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|a Electroencephalography
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|a Electroencephalography
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|a Empathy
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|a Evoked Potentials
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|a evoked response
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|a Forensic patients
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|a human
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|a Humans
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|a male
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|a Male
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|a Neuromodulation
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|a physiology
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|a prefrontal cortex
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|a Prefrontal Cortex
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|a procedures
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|a randomized controlled trial
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|a transcranial direct current stimulation
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|a Transcranial direct current stimulation
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|a Transcranial Direct Current Stimulation
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|a Franken, I.H.A.
|e author
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|a Rassin, E.G.C.
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|a Romanella, S.M.
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|a Santarnecchi, E.
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|a Sergiou, C.S.
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|a van Dongen, J.D.M.
|e author
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|a Wieser, M.J.
|e author
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| 773 |
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|t Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
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