CNS spectrums · 2020
Left rostrolateral prefrontal cortex lesions reduce suicidal ideation in penetrating traumatic brain injury.
СтатьяResearch Support, N.I.H., IntramuralПоддержка исследования: вне правительства СШАПоддержка правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Pardini Matteo, Grafman Jordan, Raymont Vanessa, Amore Mario, Serafini Gianluca, Koenigs Michael, Krueger Frank
Аннотация
OBJECTIVES: The objective of this study is to evaluate the relationship between suicidal ideation (SI), structural brain damage, and cognitive deficits in patients with penetrating traumatic brain injury (pTBI).
METHODS: Vietnam War veterans (n = 142) with pTBI to the prefrontal cortex (PFC) underwent combination of neuropsychological and psychiatric examinations and non-contrast CT brain scan. Patients were divided into SI positive (SI+) and SI negative (SI-) groups according to the SI item of the Beck Depression Inventory.
RESULTS: Lesions to the left rostrolateral PFC (rlPFC) were associated with a lower risk of SI independent of depression and global functioning. Left rlPFC lesion also reduced abstract reasoning skills, which mediated the lesion effects on suicide ideation.
CONCLUSIONS: The left rlPFC plays a crucial role in SI independently of depression and global functioning.
METHODS: Vietnam War veterans (n = 142) with pTBI to the prefrontal cortex (PFC) underwent combination of neuropsychological and psychiatric examinations and non-contrast CT brain scan. Patients were divided into SI positive (SI+) and SI negative (SI-) groups according to the SI item of the Beck Depression Inventory.
RESULTS: Lesions to the left rostrolateral PFC (rlPFC) were associated with a lower risk of SI independent of depression and global functioning. Left rlPFC lesion also reduced abstract reasoning skills, which mediated the lesion effects on suicide ideation.
CONCLUSIONS: The left rlPFC plays a crucial role in SI independently of depression and global functioning.