Journal article

The impact of schizophrenia and intelligence on the relationship between age and brain volume.

Maria H Jensen, Nikolaj Bak, Egill Rostrup, Mette Ø Nielsen, Christos Pantelis, Birte Y Glenthøj, Bjørn H Ebdrup, Birgitte Fagerlund

Schizophrenia Research: Cognition | Published : 2019


Age has been shown to have an impact on both grey (GM) and white matter (WM) volume, with a steeper slope of age-related decline in schizophrenia compared to healthy controls. In schizophrenia, the relation between age and brain volume is further complicated by factors such as lower intelligence, antipsychotic medication, and cannabis use, all of which have been shown to have independent effects on brain volume. In a study of first-episode, antipsychotic-naïve schizophrenia patients (N = 54) and healthy controls (N = 56), we examined the effects of age on whole brain measures of GM and WM volume, and whether these relationships were moderated by schizophrenia and intelligence (IQ). Secondari..

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University of Melbourne Researchers