A Preliminary Study Characterizing Subcortical and Cortical Auditory Processing and Their Relation to Autistic Traits and Sensory Features.

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    • Subject Terms:
      SENSES; AUDITORY evoked response; AFFINITY groups; RESEARCH; AUDITORY perception; COMPARATIVE studies; AUTISM; RESEARCH funding; INTELLECT; DESCRIPTIVE statistics; STATISTICAL correlation; AUDITORY cortex; BRAIN stem; SPEECH; CHILDREN; ADOLESCENCE
    • Abstract:
      This study characterizes the subcortical auditory brainstem response (speech-ABR) and cortical auditory processing (P1 and Mismatch Negativity; MMN) to speech sounds and their relationship to autistic traits and sensory features within the same group of autistic children (n = 10) matched on age and non-verbal IQ to their typically developing (TD) peers (n = 21). No speech-ABR differences were noted, but autistic individuals had larger P1 and faster MMN responses. Correlations revealed that larger P1 amplitudes and MMN responses were associated with greater autistic traits and more sensory features. These findings highlight the complexity of the auditory system and its relationships to behaviours in autism, while also emphasizing the importance of measurement and developmental matching. [ABSTRACT FROM AUTHOR]
    • Abstract:
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