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Resting-state fMRI data of 59 PD subjects were first decomposed into characteristic frequency bands and the main effects of motor severity and depression and their interaction on the energy of blood-oxygen-level-dependent signal oscillation in specific frequency bands were then evaluated. The results show that the severity of motor symptoms is negatively correlated with the energy in the frequency band of 0.10\u20130.25\u2009Hz in the bilateral thalamus, but positively correlated with 0.01\u20130.027\u2009Hz band energy in the bilateral postcentral gyrus. The severity of depression, on the other hand, is positively correlated with the energy of 0.10\u20130.25\u2009Hz but negatively with 0.01\u20130.027\u2009Hz in the bilateral subgenual gyrus. Notably, the interaction between motor and depressive symptoms is negatively correlated with the energy of 0.10\u20130.25\u2009Hz in the substantia nigra, hippocampus, inferior orbitofrontal cortex and temporoparietal junction, but positively correlated with 0.02\u20130.05\u2009Hz in the same regions. These findings indicate unique associations of fMRI band signals with motor and depressive symptoms in PD in specific brain regions, which may underscore the neural impact of the comorbidity and the differentiation between the two PD-related disorders.<\/jats:p>","DOI":"10.1038\/srep16376","type":"journal-article","created":{"date-parts":[[2015,11,17]],"date-time":"2015-11-17T11:25:59Z","timestamp":1447759559000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Association of specific frequency bands of functional MRI signal oscillations with motor symptoms and depression in Parkinson\u2019s disease"],"prefix":"10.1038","volume":"5","author":[{"given":"Xiaopeng","family":"Song","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao","family":"Hu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuqin","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuanyuan","family":"Xu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yonggui","family":"Yuan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yijun","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Huaiqiu","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Weiguo","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jia-Hong","family":"Gao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2015,11,17]]},"reference":[{"key":"BFsrep16376_CR1","doi-asserted-by":"publisher","first-page":"35","DOI":"10.1038\/nrneurol.2011.189","volume":"8","author":"Dag Aarsland","year":"2011","unstructured":"Aarsland, Dag et al. 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