Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2026
Reduced neural speech tracking in adolescents with listening difficulty.
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Kojima Katsuaki, Liu Chunyan, Ehrlich Shelley, Dillon Harvey, Blankenship Chelsea, Motlagh Zadeh Lina, Vannest Jennifer, Hunter Lisa, Nagarajan Srikantan, Moore David R
Аннотация
OBJECTIVE: To investigate neural mechanisms underlying speech-in-speech listening in adolescents with listening difficulties (LiD).
METHODS: Neural speech tracking (NST) was assessed using magnetoencephalography (MEG; 275 sensors) in 21 adolescents with LiD (11 females), identified by caregiver report, and 25 typically developing (TD) peers (10 females), all with normal audiograms and frequency-matched on age, sex, race, and ethnicity. Participants completed a cocktail-party task with target speech alone and with competing streams that varied in talker and spatial cues. NST was quantified using theta-band (4-8 Hz) inter-event phase coherence (IEPC) to acoustic edges.
RESULTS: Adolescents with LiD showed reduced target-speech NST relative to TD peers, with comparable competitor tracking. Theta-band IEPC correlated with listening ability (partial R2 = 0.10; p = 0.037). Concurrent talker and spatial cues synergistically enhanced target-speech NST, especially in TD adolescents, but not competitor streams.
CONCLUSIONS: LiD is characterized by impaired processing of attended speech rather than enhanced competitor processing or generalized auditory disengagement. Reduced integration of talker and spatial cues in LiD may contribute to real-world listening challenges.
SIGNIFICANCE: Theta‑band NST provides a clinically relevant neural index of everyday listening and may guide interventions targeting selective attention and cue integration.
METHODS: Neural speech tracking (NST) was assessed using magnetoencephalography (MEG; 275 sensors) in 21 adolescents with LiD (11 females), identified by caregiver report, and 25 typically developing (TD) peers (10 females), all with normal audiograms and frequency-matched on age, sex, race, and ethnicity. Participants completed a cocktail-party task with target speech alone and with competing streams that varied in talker and spatial cues. NST was quantified using theta-band (4-8 Hz) inter-event phase coherence (IEPC) to acoustic edges.
RESULTS: Adolescents with LiD showed reduced target-speech NST relative to TD peers, with comparable competitor tracking. Theta-band IEPC correlated with listening ability (partial R2 = 0.10; p = 0.037). Concurrent talker and spatial cues synergistically enhanced target-speech NST, especially in TD adolescents, but not competitor streams.
CONCLUSIONS: LiD is characterized by impaired processing of attended speech rather than enhanced competitor processing or generalized auditory disengagement. Reduced integration of talker and spatial cues in LiD may contribute to real-world listening challenges.
SIGNIFICANCE: Theta‑band NST provides a clinically relevant neural index of everyday listening and may guide interventions targeting selective attention and cue integration.