Hierarchical Encoding of Attended Auditory Objects in Multi-talker Speech Perception

• Published in: Neuron (Cambridge, Mass.) Vol. 104; no. 6; pp. 1195 - 1209.e3
• Main Authors: O’Sullivan, James, Herrero, Jose, Smith, Elliot, Schevon, Catherine, McKhann, Guy M., Sheth, Sameer A., Mehta, Ashesh D., Mesgarani, Nima
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 18.12.2019; Elsevier Limited
• Subjects: Acoustics; Attention - physiology; Auditory Cortex - physiology; auditory object; cocktail party; Cortex (auditory); Electrodes; encoding; Hearing; Heschl’s gyrus; hierarchical; human auditory cortex; Humans; multi-talker; Neurosurgery; Speech; Speech perception; Speech Perception - physiology; superior temporal gyrus; auditory object; Heschl’s gyrus; hierarchical; human auditory cortex; cocktail party; multi-talker; speech perception; encoding; superior temporal gyrus

Humans can easily focus on one speaker in a multi-talker acoustic environment, but how different areas of the human auditory cortex (AC) represent the acoustic components of mixed speech is unknown. We obtained invasive recordings from the primary and nonprimary AC in neurosurgical patients as they...