tRNS does not enhance motor skill acquisition or retention in a golf putting task.

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An acute application of transcranial random noise stimulation does not enhance motor skill acquisition or retention in a golf putting task.

Hum Mov Sci. 2019 May 09;66:241-248

Authors: Albuquerque LL, Fischer KM, Pauls AL, Pantovic M, Guadagnoli MA, Riley ZA, Poston B

Abstract
Transcranial random noise stimulation (tRNS) is a brain stimulation technique that has been shown to increase motor performance in simple motor tasks. The purpose was to determine the influence of tRNS on motor skill acquisition and retention in a complex golf putting task. Thirty-four young adults were randomly assigned to a tRNS group or a SHAM stimulation group. Each subject completed a practice session followed by a retention session. In the practice session, subjects performed golf putting trials in a baseline test block, four practice blocks, and a post test block. Twenty-four hours later subjects completed the retention test block. The golf putting task involved performing putts to a small target located 3 m away. tRNS or SHAM was applied during the practice blocks concurrently with the golf putting task. tRNS was applied over the first dorsal interosseus muscle representation area of the motor cortex for 20 min at a current strength of 2 mA. Endpoint error and endpoint variance were reduced across the both the practice blocks and the test blocks, but these reductions were not different between groups. These findings suggest that an acute application of tRNS failed to enhance skill acquisition or retention in a golf putting task.

PMID: 31078943 [PubMed – as supplied by publisher]

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