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Anodal transcranial direct current stimulation of the right dorsolateral prefrontal cortex enhances memory-guided responses in a visuospatial working memory task.
Funct Neurol 2014 Jul-Sep; 29(3):189-93FN

Abstract

Several studies have shown that transcranial direct current stimulation (tDCS) is able to enhance performances on verbal and visual working memory (WM) tasks. Available evidence points to the right dorsolateral prefrontal cortex (DLPFC) as a critical area in visual WM, but to date direct comparisons of the effects obtained by stimulating the left versus the right DLPFC in the same subject are lacking. Our aim was to determine whether tDCS over the right DLPFC can differently affect performance as compared with left DLPFC stimulation. Ten healthy subjects performed a memory-guided visuospatial task in three conditions: baseline, during anodal stimulation applied over the right and during anodal stimulation applied over the left DLPFC. All the subjects also underwent a sham stimulation as control. Our results show that only active stimulation over the right DLPFC is able to increase performance when compared to the other conditions. Our findings confirm the crucial role played by the right DLPFC in spatial WM tasks.

Authors

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Pub Type(s)

Journal Article

Language

eng

PubMed ID

25473739

Citation

Giglia, Giuseppe, et al. "Anodal Transcranial Direct Current Stimulation of the Right Dorsolateral Prefrontal Cortex Enhances Memory-guided Responses in a Visuospatial Working Memory Task." Functional Neurology, vol. 29, no. 3, 2014, pp. 189-93.
Giglia G, Brighina F, Rizzo S, et al. Anodal transcranial direct current stimulation of the right dorsolateral prefrontal cortex enhances memory-guided responses in a visuospatial working memory task. Funct Neurol. 2014;29(3):189-93.
Giglia, G., Brighina, F., Rizzo, S., Puma, A., Indovino, S., Maccora, S., ... Fierro, B. (2014). Anodal transcranial direct current stimulation of the right dorsolateral prefrontal cortex enhances memory-guided responses in a visuospatial working memory task. Functional Neurology, 29(3), pp. 189-93.
Giglia G, et al. Anodal Transcranial Direct Current Stimulation of the Right Dorsolateral Prefrontal Cortex Enhances Memory-guided Responses in a Visuospatial Working Memory Task. Funct Neurol. 2014;29(3):189-93. PubMed PMID: 25473739.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Anodal transcranial direct current stimulation of the right dorsolateral prefrontal cortex enhances memory-guided responses in a visuospatial working memory task. AU - Giglia,Giuseppe, AU - Brighina,Filippo, AU - Rizzo,Silvia, AU - Puma,Angela, AU - Indovino,Serena, AU - Maccora,Simona, AU - Baschi,Roberta, AU - Cosentino,Giuseppe, AU - Fierro,Brigida, PY - 2014/12/5/entrez PY - 2014/12/5/pubmed PY - 2015/7/24/medline SP - 189 EP - 93 JF - Functional neurology JO - Funct. Neurol. VL - 29 IS - 3 N2 - Several studies have shown that transcranial direct current stimulation (tDCS) is able to enhance performances on verbal and visual working memory (WM) tasks. Available evidence points to the right dorsolateral prefrontal cortex (DLPFC) as a critical area in visual WM, but to date direct comparisons of the effects obtained by stimulating the left versus the right DLPFC in the same subject are lacking. Our aim was to determine whether tDCS over the right DLPFC can differently affect performance as compared with left DLPFC stimulation. Ten healthy subjects performed a memory-guided visuospatial task in three conditions: baseline, during anodal stimulation applied over the right and during anodal stimulation applied over the left DLPFC. All the subjects also underwent a sham stimulation as control. Our results show that only active stimulation over the right DLPFC is able to increase performance when compared to the other conditions. Our findings confirm the crucial role played by the right DLPFC in spatial WM tasks. SN - 1971-3274 UR - https://www.unboundmedicine.com/medline/citation/25473739/Anodal_transcranial_direct_current_stimulation_of_the_right_dorsolateral_prefrontal_cortex_enhances_memory_guided_responses_in_a_visuospatial_working_memory_task_ L2 - http://www.functionalneurology.com/index.php?PAGE=article&ID=6698 DB - PRIME DP - Unbound Medicine ER -