PSYC 208 Chapter Notes - Chapter 15: Inclusive Fitness, Parental Investment, Suicidal Ideation
Document Summary
Intention is not to die, but action is the same. May lose fear of death and engage in more and more risky behaviours. Hard vs. soft suicide: gunshot vs. overdose: more males vs. more females. Suicide ideation: thoughts of suicide, often triggered by hopelessness and social isolation. There are different stages leading to suicide, but can also be impulsive with few signs. Feelings of ambivalence (wants suffering to end, but doesn"t want to die) Narrowing of perceived alternatives ( suicide is the only way to go. ) Higher in high social status and after losing status. Social: lack of social support, negative family relations. 90% of suicide are associated with diagnosable disorder affective disorder, substance dependence, schizophrenia, cluster b (dramatic) Suicide genes are independent of with psychiatric disorders genes! Low 5-hiaa (a metabolite of serotonin) in the cerebral-spinal fluid low serotonin . Two gene polymorphism low serotonin high risk behaviours. Possible hyperactive hpa pathway activation and cortisol activity (mixed evidence)
