Neural Noise- Neural speech tracking is reduced in adolescents with listening difficulty.1
- EEG/MEG measures of speech tracking may inform auditory processing and decoding.1 1
Weekly enrichment (2026-07-20)
- The study measured neural speech tracking with magnetoencephalography (275 sensors) in 21 adolescents with listening difficulty (11 female) and 25 typically developing peers (10 female), all with audiometrically normal hearing and frequency-matched on age, sex, race, and ethnicity.23
- Participants completed a “cocktail-party” task in which target speech was presented alone or against competing speech streams that varied in talker identity and spatial location.23
- Neural speech tracking was quantified as theta-band (4–8 Hz) inter-event phase coherence to acoustic edges of the speech envelope.23
- Adolescents with listening difficulty showed significantly reduced tracking of target speech relative to peers, while tracking of competitor speech was comparable between the two groups.23
- Theta-band coherence correlated with caregiver-reported listening ability (Evaluation of Children’s Listening and Processing Skills, ECLiPS) in both groups, supporting the measure’s clinical relevance.23
- Concurrent talker and spatial cues synergistically enhanced target-speech tracking—an effect stronger in typically developing adolescents and absent for competitor streams—while competing speech reduced tracking in both groups (reported β ≈ −3.1×10^3, SE ≈ 1.1×10^3, t = −2.8, p = .008).3
- The authors conclude that listening difficulty reflects impaired processing of attended speech and reduced integration of talker/spatial cues rather than heightened competitor processing or generalized auditory disengagement.23
- They suggest theta-band tracking could guide interventions and decoding approaches targeting selective attention and cue integration; the preprint reports fragmentary effect-size statistics, so some exact group-difference values are not fully detailed here.23