GENDER PSYCHOLOGY
Mpy03-002	Non-binary gender identity associates with decreased functioning during an exceptional societal stress. A university community study during COVID-19 pandemic in Finland.
	Quote:	Conclusions: Individuals with non-binary gender are more vulnerable for functional deficits in a period of serious societal stress such as COVID-19 pandemic. The related psychosocial and mental health factors should be taken into account when planning tailored interventions for vulnerable groups during periods of exceptional societal circumstances.
	Abstract:	https://www.medrxiv.org/content/10.64898/2026.01.10.25343131v1
	Full Text:	https://www.medrxiv.org/content/10.64898/2026.01.10.25343131v1.full-text
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	Search Authors:	Raimo K. R. Salokangas Tiina From Jarmo Hietala,
BRAIN PSYCHOLOGY
Mpy03-004	Grey Matter Iron and Neuromelanin in Psychosis: A Systematic Review and Meta-Analysis of MRI Studies
	Quote:	Conclusions Psychosis is associated with lower subcortical iron-sensitive MRI values. This was most marked in the substantia nigra, where NM-MRI valueswhich index neuromelanin-bound iron in dopamine neuroneswere significantly higher. This suggests that while subcortical iron is overall lower in psychosis, neuromelanin-bound iron is increased within dopamine neurones. Investigating the mechanisms underlying iron alterations may provide new treatment targets.
	Abstract:	https://www.medrxiv.org/content/10.64898/2026.01.15.26344182v1
	Full Text:	https://www.medrxiv.org/content/10.64898/2026.01.15.26344182v1.full-text
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	Search Authors:	Luke James Vano Jan Sedlacik Richard Carr Bernard Roch Bukala Oliver David Howes Robert Ali McCutcheon,
GENETICS PSYCHOLOGY
Mpy03-008	Mapping unexplained genetic correlations across 14 psychiatric disorders
	Quote:	Conc: Conclusions Higher-order genetic factors explain broad shared liability but leave meaningful, structured residual links between specific disorder pairs. OCD and ADHD are robust residual hubs, highlighting candidate cross-disorder connections for targeted phenotypic harmonization, cross-phenotype GWAS, and theory-guided model refinements.
	Abstract:	https://www.medrxiv.org/content/10.64898/2026.01.14.26344089v1
	Full Text:	https://www.medrxiv.org/content/10.64898/2026.01.14.26344089v1.full-text
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	Search Authors:	Yu Chang Ming-Hong Hsieh Po-Chung Ju Cheng-Chen Chang,
AGING COGNITION PSYCHOLOGY
Mpy03-016	Exploring reward learning disruptions as a possible mechanism underlying neuropsychiatric symptoms in Parkinsons disease
	Quote:	Conclusions We found inconsistent relationships between symptoms of apathy, depression, and impulsivity and reward learning performance across two samples of PD patients. While this doesnt rule out the possibility that reward learning impairments contribute to these symptoms, it suggests any effect is likely to be small and overshadowed by other non-measured factors.
	Abstract:	https://www.medrxiv.org/content/10.64898/2026.01.14.26344132v1
	Full Text:	https://www.medrxiv.org/content/10.64898/2026.01.14.26344132v1.full-text
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	Search Authors:	Sophie Sun Madeleine Sharp,

Updated weekly. 01/24/2026-02:51:25 AM
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Mpy03-002

Non-binary gender identity associates with decreased functioning during an exceptional societal stress. A university community study during COVID-19 pandemic in Finland.

Mpy03-004

Grey Matter Iron and Neuromelanin in Psychosis: A Systematic Review and Meta-Analysis of MRI Studies

Mpy03-008

Mapping unexplained genetic correlations across 14 psychiatric disorders

Mpy03-016

Exploring reward learning disruptions as a possible mechanism underlying neuropsychiatric symptoms in Parkinsons disease