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Differences in effects of task repetition in three modalities Go/No‐go paradigams.
Author(s) -
Hirai Minami,
Ishikura Keiko,
Sawai Norie,
Kobayashi Fumino,
Nakata Hiroki,
Shibasaki Manabu
Publication year - 2020
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.2020.34.s1.03783
Subject(s) - stimulus modality , habituation , somatosensory system , cerebral blood flow , electroencephalography , psychology , audiology , stimulus (psychology) , modality (human–computer interaction) , neuroscience , event related potential , sensory system , modalities , medicine , cognitive psychology , anesthesia , social science , human–computer interaction , sociology , computer science
Previous studies suggested that learning, habituation, mental fatigue, or reduced motivation due to task repetition (time‐on‐task) decreased the peak amplitude and/or latency of components of event‐related potentials (ERPs), but the mechanism remains unclear. Also, the effect of the sensory modality on those changes has not been clarified. The difference in modality could modify cerebral blood flow or its distribution in the brain. We hypothesized that the effect of task repetition on ERPs was related to the sensory modality, and the changes in cerebral blood flow contributed to the difference. Subjects performed 6 sessions of Go/No‐go paradigms for 5 minutes with visual, auditory, and somatosensory stimuli on different days, and were allowed to rest for 5 minutes between sessions. In addition to electroencephalography, middle cerebral artery blood mean velocity and finger arterial pressure were continuously measured to evaluate dynamic cerebral autoregulation via transfer function analysis. The amplitude of P300 decreased with the time‐on‐task in all three modalities, and the latency of P300 delayed with the time‐ontask only with somatosensory stimuli. The reductions in amplitude were the greatest with the visual stimuli among the three modalities. The reductions in the amplitude of P300 were greater with No‐go stimuli than Go stimuli across the three modalities. Contrary to our hypothesis, dynamic cerebral autoregulation did not change throughout the trials. These results suggest that the effects of task repetition on ERPs were sensory modality‐dependent, while dynamic cerebral autoregulation during cognitive tasks might not contribute to changes in ERPs. Support or Funding Information Japan Society for the Promotion of Science 18H03166