Predicting Spectro-Temporal Modulation Detection Thresholds With a Functional Auditory Model.

The sample size was small (10 participants per group), limiting statistical power for individual predictions. Stimuli were presented at a fixed high level (85 dB SPL) without hearing aids, which may not reflect real-world listening conditions and could have affected audibility for some participants. The model's inability to predict individual differences may reflect missing physiological mechanisms (such as neural deafferentation) rather than just inaccuracies in the current implementation. The study focused on basic auditory processing; it did not directly test speech recognition or functional communication outcomes.

The authors declared no conflicts of interest. Funding sources are not explicitly detailed beyond the declaration of no conflicts.

Do not assume that this model's failure to predict individual deficits means hearing loss mechanisms are unknown; it specifically indicates that the current model's implementation of cochlear damage (outer and inner hair cell loss) is insufficient to explain supra-threshold processing issues. The study does not prove that STM deficits are caused by central processing changes, only that peripheral models failed to capture them.