Psychological Research

, Volume 83, Issue 6, pp 1124–1136 | Cite as

Binaural auditory beats affect long-term memory

  • Miguel Garcia-ArgibayEmail author
  • Miguel A. Santed
  • José M. Reales
Original Article


The presentation of two pure tones to each ear separately with a slight difference in their frequency results in the perception of a single tone that fluctuates in amplitude at a frequency that equals the difference of interaural frequencies. This perceptual phenomenon is known as binaural auditory beats, and it is thought to entrain electrocortical activity and enhance cognition functions such as attention and memory. The aim of this study was to determine the effect of binaural auditory beats on long-term memory. Participants (n = 32) were kept blind to the goal of the study and performed both the free recall and recognition tasks after being exposed to binaural auditory beats, either in the beta (20 Hz) or theta (5 Hz) frequency bands and white noise as a control condition. Exposure to beta-frequency binaural beats yielded a greater proportion of correctly recalled words and a higher sensitivity index in recognition tasks, while theta-frequency binaural-beat presentation lessened the number of correctly remembered words and the sensitivity index. On the other hand, we could not find differences in the conditional probability for recall given recognition between beta and theta frequencies and white noise, suggesting that the observed changes in recognition were due to the recollection component. These findings indicate that the presentation of binaural auditory beats can affect long-term memory both positively and negatively, depending on the frequency used.



We thank the editor and reviewers for their highly valuable comments and suggestions that led to significant improvement of the manuscript.

Compliance with ethical standards

Conflict of interest

Miguel Garcia-Argibay, Miguel A. Santed, and José M. Reales declare having no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Authors and Affiliations

  1. 1.Department of Behavioral ScienceNational University of Distance Education (UNED)MadridSpain
  2. 2.Department of Personality PsychologyNational University of Distance Education (UNED)MadridSpain

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