Authors
Yuxuan Xu
Published in
Journal of neurophysiology. Jul 31, 2026. Epub Jul 31, 2026.
Abstract
In rapid sequences, a fixed counting window can include spikes occurring after a neighboring contact. I reanalyzed 19,675 touches from 41 loose-seal recordings of excitatory layer 4 neurons in the public Hires et al. dataset. Spikes were recounted in windows of 10 to 50 ms around each touch. Counts after touch changed little with the preceding interval. Subtracting the rate before touch produced positive interval coefficients when close touches were retained; the coefficient approached zero when touches with preceding intervals shorter than 100 ms were excluded. Excluding each touch that had another recorded onset within 50 ms before or after it left 12,773 touches, and 12,296 entered prediction models. In trials omitted from model fitting, adding phase to timing and task variables improved prediction of spike counts by 1.5 percentage points; the improvement was 0.8 points after movement variables were included. The gain varied across analysis settings and archive subject labels, the metadata labels used to group files. The interaction between amplitude and phase added a median 0.25 points (95% confidence interval, -0.02 to 1.50). Choices of counting window altered estimates of touch history, and phase added modest predictive information after movement adjustment. Touch-spacing and counting-window checks can improve attribution in studies using rapid sensory or neuroprosthetic stimulation.
PMID:
42537216
Bibliographic data and abstract were imported from PubMed on 01 Aug 2026.
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