Representation of Auditory Task Components and of Their Relationships in Primate Auditory Cortex

The current study aimed to resolve some of the inconsistencies in the literature on which mental processes affect auditory cortical activity. To this end, we studied auditory cortical firing in four monkeys with different experience while they were involved in six conditions with different arrangeme...

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Published inFrontiers in neuroscience Vol. 14; p. 306
Main Authors Knyazeva, Stanislava, Selezneva, Elena, Gorkin, Alexander, Ohl, Frank W., Brosch, Michael
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Research Foundation 21.04.2020
Frontiers Media S.A
Subjects
agency
Arousal
classical conditioning
Cognitive ability
Cortex (auditory)
Hearing
instrumental conditioning
monkey
Motor activity
Neuroscience
Noise
Operant conditioning
Reinforcement
Sound
sound (audio) processing
Studies
instrumental conditioning
monkey
agency
classical conditioning
sound (audio) processing
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Summary:The current study aimed to resolve some of the inconsistencies in the literature on which mental processes affect auditory cortical activity. To this end, we studied auditory cortical firing in four monkeys with different experience while they were involved in six conditions with different arrangements of the task components sound, motor action, and water reward. Firing rates changed most strongly when a sound-only condition was compared to a condition in which sound was paired with water. Additional smaller changes occurred in more complex conditions in which the monkeys received water for motor actions before or after sounds. Our findings suggest that auditory cortex is most strongly modulated by the subjects' level of arousal, thus by a psychological concept related to motor activity triggered by reinforcers and to readiness for operant behavior. Our findings also suggest that auditory cortex is involved in associative and emotional functions, but not in agency and cognitive effort.
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Edited by: Victoria M. Bajo Lorenzana, University of Oxford, United Kingdom
This article was submitted to Auditory Cognitive Neuroscience, a section of the journal Frontiers in Neuroscience
Reviewed by: Heather Read, University of Connecticut, United States; Christopher Robert Pryce, University of Zurich, Switzerland
ISSN:1662-453X
1662-4548
1662-453X
DOI:10.3389/fnins.2020.00306