Volume 16, Issue 2 (March & April- In Press 2025)
BCN 2025, 16(2): 461-474 |
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Abroodi H, Joghataei M T, Shekari E, Nilipour R, Valinejad V, Almasi Doghaee M. Specific Brain Regions Involved in Decoding of the Anger Acoustic Parameters. BCN 2025; 16 (2) :461-474
URL: http://bcn.iums.ac.ir/article-1-2871-en.html
URL: http://bcn.iums.ac.ir/article-1-2871-en.html
Hossein Abroodi *1 
, Mohammad Taghi Joghataei2 , Ehsan Shekari1 , Reza Nilipour3 , Vahid Valinejad4 , Mostafa Almasi Doghaee5
, Mohammad Taghi Joghataei2 , Ehsan Shekari1 , Reza Nilipour3 , Vahid Valinejad4 , Mostafa Almasi Doghaee5
1- Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
2- Department of Innovation in Medical Education, Faculty of Medicine, Ottawa University, Ontario, Canada.
3- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
4- Department of Speech-Language Pathology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
5- Department of Neurology, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran.
2- Department of Innovation in Medical Education, Faculty of Medicine, Ottawa University, Ontario, Canada.
3- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
4- Department of Speech-Language Pathology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
5- Department of Neurology, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran.
Abstract:
Introduction: The present study aimed to identify brain regions sensitive to emotion-specific acoustic parameters in healthy individuals.
Methods: Three pseudo-words in the form of one stimulus were consecutively spoken with neutral and angry prosody. Then, we changed the acoustic parameters (mean fundamental frequency [F0], intensity, and speech tempo) in angry prosody. The stimuli were presented in a functional magnetic resonance imaging experiment to detect anger or neutrality.
Results: Stronger activation in the left superior temporal gyrus (STG) and Heschl’s gyrus (HG) was observed when the mean F0 converted from 300 Hz to 250 Hz. Increased activity in the right posterior STG and posterior middle temporal gyrus (MTG) was revealed in more intensity anger prosody. Moreover, we found stronger activity in the right mid-STG, MTG, and the left STG in a faster speech tempo.
Conclusion: According to the increased activity in the STG and MTG of both hemispheres following the more intense anger (lower fundamental frequency, more intensity, and faster speech tempo), a more intense comprehension of anger may result from the sending different information from these regions to the inferior frontal gyrus (IFG) and orbital frontal cortex (OFC).
Methods: Three pseudo-words in the form of one stimulus were consecutively spoken with neutral and angry prosody. Then, we changed the acoustic parameters (mean fundamental frequency [F0], intensity, and speech tempo) in angry prosody. The stimuli were presented in a functional magnetic resonance imaging experiment to detect anger or neutrality.
Results: Stronger activation in the left superior temporal gyrus (STG) and Heschl’s gyrus (HG) was observed when the mean F0 converted from 300 Hz to 250 Hz. Increased activity in the right posterior STG and posterior middle temporal gyrus (MTG) was revealed in more intensity anger prosody. Moreover, we found stronger activity in the right mid-STG, MTG, and the left STG in a faster speech tempo.
Conclusion: According to the increased activity in the STG and MTG of both hemispheres following the more intense anger (lower fundamental frequency, more intensity, and faster speech tempo), a more intense comprehension of anger may result from the sending different information from these regions to the inferior frontal gyrus (IFG) and orbital frontal cortex (OFC).
Keywords: Acoustic parameters, Emotional prosody, Functional magnetic resonance imaging (fMRI), Intensity, Mean F0, Speech tempo
Type of Study: Original |
Subject:
Cellular and molecular Neuroscience
Received: 2024/01/22 | Accepted: 2024/06/17 | Published: 2025/03/1
Received: 2024/01/22 | Accepted: 2024/06/17 | Published: 2025/03/1
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