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Greater hippocampal gray matter volume in subjective hyperosmia: a voxel-based morphometry study.


ABSTRACT: Subjective hyperosmia refers to a self-reported olfactory ability that is superior to a normal, intact sense of smell (normosmia), and is associated with olfactory emotional experience. The current study used voxel-based morphometry to investigate the gray matter volume (GMV) in people with self-rated hyperosmia (subjective hyperosmia, SH, N?=?18) in comparison to people with self-rated normal olfaction (subjective normosmia, SN, N?=?14). Participants' olfactory function were assessed by the extensive olfactory test battery, the "Sniffin' Sticks" test. Within the predicted brain regions (regions-of-interest analyses), the SH participants showed larger GMV of the left hippocampus as compared to SN participants (FWE corrected p?

SUBMITTER: Han P 

PROVIDER: S-EPMC7608672 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Greater hippocampal gray matter volume in subjective hyperosmia: a voxel-based morphometry study.

Han Pengfei P   Stiller-Stut Franz Paul FP   Fjaeldstad Alexander A   Hummel Thomas T  

Scientific reports 20201102 1


Subjective hyperosmia refers to a self-reported olfactory ability that is superior to a normal, intact sense of smell (normosmia), and is associated with olfactory emotional experience. The current study used voxel-based morphometry to investigate the gray matter volume (GMV) in people with self-rated hyperosmia (subjective hyperosmia, SH, N = 18) in comparison to people with self-rated normal olfaction (subjective normosmia, SN, N = 14). Participants' olfactory function were assessed by the ext  ...[more]

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