Key result
Mental arithmetic stress was associated with reduced blood flow to the prefrontal cortex, with a greater reduction observed in subjects with high trait hostility.
Why the study?
Does mental arithmetic stress alter regional cerebral blood flow differently in subjects with high versus low trait hostility?
Observational
Does mental arithmetic stress alter regional cerebral blood flow differently in subjects with high versus low trait hostility?
Mental stress reduces prefrontal cortex blood flow, an effect that is more pronounced in individuals with high trait hostility, potentially linking psychological traits to cardiovascular risk mechanisms.
No takes yet. Share an insight, caveat, or question.
High trait hostility linked to greater stress-induced prefrontal hypoperfusion; hypothesis-generating for CV risk, should not change practice.
Shapiro et al. (2000) conducted an observational in Trait hostility. Mental arithmetic stress vs. Control condition was evaluated on Regional cerebral blood flow. Mental arithmetic stress was associated with reduced blood flow to the prefrontal cortex, with a greater reduction observed in subjects with high trait hostility.
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