Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy.
Apathy is defined as reduction of goal-directed behaviors and a common nuisance syndrome of neurodegenerative and psychiatric disease. The underlying mechanism of apathy implicates changes of the front-striatal circuit, but its precise alteration is unclear for apathy in healthy aged people. The aim...
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Public Library of Science (PLoS)
2021-01-01
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| Series: | PLoS ONE |
| Online Access: | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0261334&type=printable |
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| author | Chizuko Hamada Toshikazu Kawagoe Masahiro Takamura Atsushi Nagai Shuhei Yamaguchi Keiichi Onoda |
| author_facet | Chizuko Hamada Toshikazu Kawagoe Masahiro Takamura Atsushi Nagai Shuhei Yamaguchi Keiichi Onoda |
| author_sort | Chizuko Hamada |
| collection | DOAJ |
| description | Apathy is defined as reduction of goal-directed behaviors and a common nuisance syndrome of neurodegenerative and psychiatric disease. The underlying mechanism of apathy implicates changes of the front-striatal circuit, but its precise alteration is unclear for apathy in healthy aged people. The aim of our study is to investigate how the frontal-striatal circuit is changed in elderly with apathy using resting-state functional MRI. Eighteen subjects with apathy (7 female, 63.7 ± 3.0 years) and eighteen subjects without apathy (10 female, 64.8 ± 3.0 years) who underwent neuropsychological assessment and MRI measurement were recruited. We compared functional connectivity with/within the striatum between the apathy and non-apathy groups. The seed-to-voxel group analysis for functional connectivity between the striatum and other brain regions showed that the connectivity was decreased between the ventral rostral putamen and the right dorsal anterior cingulate cortex/supplementary motor area in the apathy group compared to the non-apathy group while the connectivity was increased between the dorsal caudate and the left sensorimotor area. Moreover, the ROI-to-ROI analysis within the striatum indicated reduction of functional connectivity between the ventral regions and dorsal regions of the striatum in the apathy group. Our findings suggest that the changes in functional connectivity balance among different frontal-striatum circuits contribute to apathy in elderly. |
| format | Article |
| id | doaj-art-04df6cedbf4a438f8812fc8b38ac1d4d |
| institution | OA Journals |
| issn | 1932-6203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Public Library of Science (PLoS) |
| record_format | Article |
| series | PLoS ONE |
| spelling | doaj-art-04df6cedbf4a438f8812fc8b38ac1d4d2025-08-20T02:17:56ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-011612e026133410.1371/journal.pone.0261334Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy.Chizuko HamadaToshikazu KawagoeMasahiro TakamuraAtsushi NagaiShuhei YamaguchiKeiichi OnodaApathy is defined as reduction of goal-directed behaviors and a common nuisance syndrome of neurodegenerative and psychiatric disease. The underlying mechanism of apathy implicates changes of the front-striatal circuit, but its precise alteration is unclear for apathy in healthy aged people. The aim of our study is to investigate how the frontal-striatal circuit is changed in elderly with apathy using resting-state functional MRI. Eighteen subjects with apathy (7 female, 63.7 ± 3.0 years) and eighteen subjects without apathy (10 female, 64.8 ± 3.0 years) who underwent neuropsychological assessment and MRI measurement were recruited. We compared functional connectivity with/within the striatum between the apathy and non-apathy groups. The seed-to-voxel group analysis for functional connectivity between the striatum and other brain regions showed that the connectivity was decreased between the ventral rostral putamen and the right dorsal anterior cingulate cortex/supplementary motor area in the apathy group compared to the non-apathy group while the connectivity was increased between the dorsal caudate and the left sensorimotor area. Moreover, the ROI-to-ROI analysis within the striatum indicated reduction of functional connectivity between the ventral regions and dorsal regions of the striatum in the apathy group. Our findings suggest that the changes in functional connectivity balance among different frontal-striatum circuits contribute to apathy in elderly.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0261334&type=printable |
| spellingShingle | Chizuko Hamada Toshikazu Kawagoe Masahiro Takamura Atsushi Nagai Shuhei Yamaguchi Keiichi Onoda Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. PLoS ONE |
| title | Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. |
| title_full | Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. |
| title_fullStr | Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. |
| title_full_unstemmed | Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. |
| title_short | Altered resting-state functional connectivity of the frontal-striatal circuit in elderly with apathy. |
| title_sort | altered resting state functional connectivity of the frontal striatal circuit in elderly with apathy |
| url | https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0261334&type=printable |
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