Categorical phonetic features encode EEG information the speech envelope lacks

Evidence

EEG has been shown to be sensitive to phonetic-features of speech (Di Liberto et al. 2015 ). These categorical features capture information to which the envelope of speech is not sensitive, however the actual contribution of higher-level active processes related to intelligibility remains unclear. The framework we have defined here has the potential to disentangle these contributions from low-level EEG responses to spectrogram fluctuations. — Dijk, Pim van, Physiology, Psychoacoustics and…, 4429

Categorization

• corroborated: 3 independent passages support this claim — Dijk, Pim van, Physiology, Psychoacoustics and…, 4429
• XREF: connects to: Temporal envelope suffices for speech while fine structure carries pitch information — Dijk, Pim van, Physiology, Psychoacoustics and…, 3381; Phonetic models predict EEG better, but only when speech is intelligible. — Dijk, Pim van, Physiology, Psychoacoustics and…, 4371; Envelope-insensitive phonetic EEG indices may monitor cochlear-implant patients’ phonetic discrimination. (+2 more)

Broader Connections

• MEG localizes brain activity better than EEG because skull distorts signals less #complicates (0.70)