Cognitive Effects

Current literature suggests that people with high neuroticismTrusted Source and low conscientiousness Trusted Sourcemay be at increased risk for mild cognitive impairmentTrusted Source (MCI), dementiaTrusted Source, or death. The links between extraversion and cognitive impairment in studies were less consistent.

neuroticism — being anxious and worrisome

conscientiousness — being disciplined and organized

extraversion — being friendly and outgoing

agreeableness — being helpful and forgiving

openness — being curious and perceptive

https://www.medicalnewstoday.com/articles/2-personality-traits-associated-with-cognitive-decline-in-new-study#Implications-for-healthy-aging