Enhancing Immediate Memory, Potential Learning, and Working Memory with Transcranial Direct Current Stimulation in Healthy Older Adults

Encarnación Satorres (), Juan C. Meléndez, Alfonso Pitarque, Elena Real, Mireia Abella and Joaquin Escudero
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Encarnación Satorres: Department of Developmental Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
Juan C. Meléndez: Department of Developmental Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
Alfonso Pitarque: Department of Methodology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
Elena Real: Department of Developmental Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
Mireia Abella: Department of Developmental Psychology, Faculty of Psychology, University of Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
Joaquin Escudero: Hospital General of Valencia, Av. Tres Cruces, 2, 46014 Valencia, Spain

IJERPH, 2022, vol. 19, issue 19, 1-10

Abstract: 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. The objective of this study was to analyze the effect of two 20-min 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, sham-controlled design was used. The sample is made up of 31 healthy older adults, of whom 16 were in the stimulation group and 15 were 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.

Keywords: tDCS; healthy older adults; immediate memory; working memory; learning potential (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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