Enhancing Immediate Memory, Potential Learning, and Working Memory with Transcranial Direct Current Stimulation in Healthy Older Adults
Research Square (Research Square)(2022)
摘要
Background
Transcranial direct current stimulation (tDCS) has emerged as a prevention method or minimizer of the normal cognitive deterioration that occurs during the aging process. tDCS can be used to enhance cognitive functions such as immediate memory, learning, or working memory in healthy subjects.
Objective
The purpose of this study was to analyze the effect of two 20-minute sessions of anodal transcranial direct stimulation on immediate memory, learning potential, and working memory in healthy older adults.
Methods
A randomized, single-blind, repeated-measures, placebo-controlled design was used. The sample is made up of 31 healthy older adults, of whom 16 were in the stimulation group and 15 in the sham group The anode was placed on position F7, coinciding with the left dorsolateral prefrontal cortex region, and the cathode was placed on Fp2, the right supraorbital area (rSO).
Results
When comparing the results of the treatment group and the sham group, differences were observed in working memory and learning potential; however, no differences in immediate memory were found.
Conclusion
The results showed that tDCS is a non-invasive and safe tool to enhance cognitive processes in healthy older adults interested in maintaining some cognitive function.
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