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Abnormal Anatomy of the Auditory Cor...

Schefer, Madelyn.

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Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review./
Author:	Schefer, Madelyn.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
Description:	55 p.
Notes:	Source: Dissertations Abstracts International, Volume: 83-11, Section: B.
Contained By:	Dissertations Abstracts International83-11B.
Subject:	Audiology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29170346
ISBN:	9798438743019

Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review.
Schefer, Madelyn.

Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 55 p.

Source: Dissertations Abstracts International, Volume: 83-11, Section: B.

Thesis (Au.D.)--The University of Arizona, 2022.

This item must not be sold to any third party vendors.

Background: Due to the high prevalence of auditory hallucinations in schizophrenic individuals (60-80%; Lim et al., 2016), this review will focus on evidence of neuroanatomical abnormalities found in key auditory structures of this clinical population. Identifying atypical anatomy of these areas can inform our understanding of the mechanisms underlying the experience of auditory hallucinations as well as potential deficits in central auditory processing, providing a rationale for the involvement of audiologists in diagnosis and treatment of auditory hallucinations.Purpose: The goal of this review is to describe the auditory neuroanatomical differences in schizophrenic individuals who experience auditory hallucinations compared to normal individuals who do not. Further, it will also explore how these differences in neuroanatomy may be related to central auditory processing dysfunction and auditory hallucinations.Methods: A review of existing literature published from 1960-2020 was conducted to summarize and compare neuroanatomical abnormalities of key auditory structures in schizophrenic brains. Relevant studies published between the years of 1960 and 2020 were identified using the following online databases: Google Scholar, PubMed, PSYCnet, and Mendeley, as well as books, chapters, and bibliographies. For each of the listed databases, search terms included "schizophrenia" AND "auditory hallucinations" AND "auditory cortex" AND "anatomy" AND "Sylvian fissure" OR "superior temporal gyrus" OR "Heschl's gyrus" OR "planum temporale" OR "(central) auditory processing dysfunction" OR "dichotic listening".Results: Findings from previous anatomical studies are in strong agreement, having identified structural abnormalities of Heschl's gyrus, planum temporale, and the Sylvian fissure in schizophrenic brains, suggesting that these auditory structures potentially play a role in the experience of auditory hallucinations.Conclusion/Discussion: This review summarizes and compares available evidence of neuroanatomical abnormalities in the auditory cortex of individuals with schizophrenia who experience auditory hallucinations. Anatomical studies investigating auditory structures in schizophrenic brains indicate abnormalities of Heschl's gyrus, planum temporale, and the Sylvian fissure, particularly a reduction in hemispheric asymmetries. These anatomical deviations have implications for functional auditory processing. Evidence of the involvement of these key auditory structures provides rationale for audiologists to collaborate with psychiatrists in the diagnosis and treatment of auditory hallucinations. This review also suggests the need for future research to investigate potential correlations between neuroanatomical variances in schizophrenic brains and audiological findings.

ISBN: 9798438743019Subjects--Topical Terms:

537237
Audiology.
Subjects--Index Terms:

Auditory cortex

Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review.
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245 1 0 $a Abnormal Anatomy of the Auditory Cortex in Schizophrenic Brains with Auditory Hallucinations: A Systematic Review.
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500 $a Source: Dissertations Abstracts International, Volume: 83-11, Section: B.
500 $a Advisor: Musiek, Frank.
502 $a Thesis (Au.D.)--The University of Arizona, 2022.
506 $a This item must not be sold to any third party vendors.
520 $a Background: Due to the high prevalence of auditory hallucinations in schizophrenic individuals (60-80%; Lim et al., 2016), this review will focus on evidence of neuroanatomical abnormalities found in key auditory structures of this clinical population. Identifying atypical anatomy of these areas can inform our understanding of the mechanisms underlying the experience of auditory hallucinations as well as potential deficits in central auditory processing, providing a rationale for the involvement of audiologists in diagnosis and treatment of auditory hallucinations.Purpose: The goal of this review is to describe the auditory neuroanatomical differences in schizophrenic individuals who experience auditory hallucinations compared to normal individuals who do not. Further, it will also explore how these differences in neuroanatomy may be related to central auditory processing dysfunction and auditory hallucinations.Methods: A review of existing literature published from 1960-2020 was conducted to summarize and compare neuroanatomical abnormalities of key auditory structures in schizophrenic brains. Relevant studies published between the years of 1960 and 2020 were identified using the following online databases: Google Scholar, PubMed, PSYCnet, and Mendeley, as well as books, chapters, and bibliographies. For each of the listed databases, search terms included "schizophrenia" AND "auditory hallucinations" AND "auditory cortex" AND "anatomy" AND "Sylvian fissure" OR "superior temporal gyrus" OR "Heschl's gyrus" OR "planum temporale" OR "(central) auditory processing dysfunction" OR "dichotic listening".Results: Findings from previous anatomical studies are in strong agreement, having identified structural abnormalities of Heschl's gyrus, planum temporale, and the Sylvian fissure in schizophrenic brains, suggesting that these auditory structures potentially play a role in the experience of auditory hallucinations.Conclusion/Discussion: This review summarizes and compares available evidence of neuroanatomical abnormalities in the auditory cortex of individuals with schizophrenia who experience auditory hallucinations. Anatomical studies investigating auditory structures in schizophrenic brains indicate abnormalities of Heschl's gyrus, planum temporale, and the Sylvian fissure, particularly a reduction in hemispheric asymmetries. These anatomical deviations have implications for functional auditory processing. Evidence of the involvement of these key auditory structures provides rationale for audiologists to collaborate with psychiatrists in the diagnosis and treatment of auditory hallucinations. This review also suggests the need for future research to investigate potential correlations between neuroanatomical variances in schizophrenic brains and audiological findings.
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773 0 $t Dissertations Abstracts International $g 83-11B.
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