Study on the Cognitive Characteristics Induced by Changes in the Intensity, Frequency and Duration of Vibratory Stimuli.

Behav Sci (Basel)

Biomedical Engineering, Research Institute of Biomedical Engineering, School of ICT Convergence Engineering, College of Science & Technology, Konkuk University, Chungju 27478, Republic of Korea.

Published: April 2023

AI Article Synopsis

  • - The study investigates how different vibration stimuli (varying in intensity, frequency, and duration) impact cognitive characteristics in 20 right-handed adult males, using questionnaires for subjective evaluation.
  • - Results from regression analysis identified specific cognitive descriptors influenced by these stimuli, such as “heavy,” “bold,” and “light,” with multi-variable combinations producing terms like “deep” and “clear.”
  • - Findings emphasize the significance of stimulation duration alongside intensity and frequency in affecting cognitive perceptions, with potential applications in enhancing haptic technologies for virtual and augmented reality.

Article Abstract

The purpose of this study is to analyze the cognitive characteristics that can be induced by vibration stimuli at two intensities, three frequencies, and five presentation periods. The experiment was conducted on 20 right-handed adult males, and a subjective evaluation was performed using a questionnaire. Regression analysis was performed to observe the parameters affecting cognitive characteristics according to changes in intensity, frequency, and stimulation duration. The regression analysis results showed that the cognitive characteristics affected by changes in intensity, frequency, and stimulation duration were "heavy", "bold", "thick", and "light". The cognitive characteristics affected by two-variable combinations were "deep", "clear", "vibrating", "dense", "numb", "blunt", "shallow", "fuzzy", and "soft". Cognitive characteristics affected by either intensity, frequency, or stimulation duration were "fast", "pungent", "skinny", "thin", "slow", "ticklish", "tingling", "prickling", "tap", and "rugged". By observing the cognitive characteristics that can be induced by the combination of intensity, frequency, and stimulation duration, we confirmed that in addition to intensity and frequency, the stimulation duration is an important factor that influences the induction of various cognitive characteristics. The results presented in the study can be used to enhance the utility of haptic surfaces for extended reality applications.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10215658PMC
http://dx.doi.org/10.3390/bs13050350DOI Listing

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