Publications by authors named "S D Chapman"

In studies of individuals of primarily European genetic ancestry, common and low-frequency variants and rare coding variants have been found to be associated with the risk of bipolar disorder (BD) and schizophrenia (SZ). However, less is known for individuals of other genetic ancestries or the role of rare non-coding variants in BD and SZ risk. We performed whole genome sequencing of African American individuals: 1,598 with BD, 3,295 with SZ, and 2,651 unaffected controls (InPSYght study).

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Motivation: Mitochondria are essential for cellular metabolism and are inherently flexible to allow correct function in a wide range of tissues. Consequently, dysregulated mitochondrial metabolism affects different tissues in different ways leading to challenges in understanding the pathology of mitochondrial diseases. System-level metabolic modelling is useful in studying tissue-specific mitochondrial metabolism, yet despite the mouse being a common model organism in research, no mouse specific mitochondrial metabolic model is currently available.

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Ageism - stereotyping, prejudice, and discrimination based on chronological age - is a highly prevalent yet underrecognized form of social discrimination with detrimental effects on healthy aging. Combating ageism is essential for creating an age-friendly society; however, there is no consensus on the optimal approach for doing so. In this manuscript, we posit that community-based participatory research holds promise for addressing and reframing ageism, especially in underserved minoritized communities.

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Background: Nocebo responding involves the experience of adverse health outcomes in response to contextual cues. These deleterious responses impact numerous features of mental and physical health but are characterized by pronounced heterogeneity. Suggestion is widely recognized as a contributing factor to nocebo responding but the moderating role of trait responsiveness to verbal suggestions (suggestibility) in nocebo responding remains poorly understood.

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Objectives: To compare the manual dexterity and composure under pressure of people in different hospital staff roles using a buzz wire game.

Design: Prospective, observational, comparative study (Tremor study).

Setting: Leeds Teaching Hospitals NHS Trust, Leeds, UK, during a three week period in 2024.

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