Journal
BMC PSYCHIATRY
Volume 19, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12888-018-1992-4
Keywords
Schizophrenia; MCCB; ALFF
Categories
Funding
- National Natural Science Foundation of China [81571311, 81071099, 81271499, 81725005, 81571331]
- National Science Fund for Distinguished Young Scholars [81725005]
- National Key Research and Development Program [2016YFC1306900, 2016YFC0904300]
- National High Tech Development Plan (863) [2015AA020513]
- Liaoning Education Foundation
- National Natural Science Foundation of China
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BackgroundCognitive impairments are prominent in schizophrenia (SZ). Imaging studies have demonstrated that functional changes of several areas of the brain exist in SZ patients. The relationships between these two indexes are largely unexplored in SZ. The MATRICS Consensus Cognitive Battery (MCCB) was used to measure cognitive impairment in multi-dimensional cognitive fields of SZ patients. This study was conducted to explore the relationship between cognitive functional impairment and the amplitude of low-frequency fluctuation (ALFF) in SZ patients.MethodA total of 104 participants (44 SZ patients and 60 age- and gender-matched healthy controls (HC)) were recruited for this study. The MCCB was used to assess cognitive function of the participants, while brain activity was assessed using the ALFF. The relationship between the MCCB and the ALFF was investigated by using a correlation analysis.ResultsThere were significant differences between SZ patients and HC in MCCB total and domain scores as well as in ALFF results. The reduction of ALFF in the bilateral postcentral gyri and paracentral lobule in SZ patients has a negative correlation with the MCCB sub-test of symbol coding.ConclusionThese findings suggest that the reduction of ALFF in bilateral postcentral gyri and paracentral lobule may be related to cognitive impairment in SZ patients.
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