PubMed · 645962
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J P O'Dea, D Gould, M Hallberg, R G Wieland. 1978. Prolactin changes during electroconvulsive therapy.. https://doi.org/10.1176/ajp.135.5.609
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Cluster analysis was performed on the DSM-III symptoms of major depression and symptoms of melancholia identified in a study group consisting of 220 unipolar depressed inpatients a melancholic and non-melancholic cluster. Patients allocated to the melancholic cluster were more severely depressed and they were characterized by psychomotor disorders, a distinct quality of mood, diurnal variation, early morning awakening, and non-reactivity. Our results support the construct validity of the DSM-III melancholic subtype of major depression. This study supports the integrated threshold model:. (i) melancholic and non-melancholic depression may be regarded as continuous classes in terms of overall severity of depression; and (ii) both groups form discrete categories with regard to the melancholic symptoms, which emerge as the severity of depression increases.
The authors study the date of death in relationship, in the annual cycle, to date of birth of every person who died of natural causes in Switzerland between 1st January, 1969 and 31st December, 1992 (N = 12,275,033). They highlight a maximal mortality (17% over expected) on the actual anniversary of birth with the entire population, a slightly lower figure being found under 80 years of age, higher over this age. They tie this phenomenon to the classical group of "anniversary reactions", in which problems of identity probably play a role. An uncertainty hangs nevertheless over the value of these findings, which are not confirmed by any published material, and even denied by some.
OBJECTIVE: To study the relationships between retrospective reports of physical punishment/maltreatment and rates of adjustment difficulties at age 18 in a birth cohort of New Zealand subjects. METHOD: Data were gathered over the course of an 18 year longitudinal study of a birth cohort of 1,265 New Zealand born children. At age 18 retrospective reports of exposure to physical punishment/maltreatment were obtained. At this time the cohort was also assessed on measures of psychosocial adjustment juvenile offending, substance abuse behaviors, and psychiatric disorder. RESULTS: Young people reporting exposure to harsh or abusive treatment during childhood had elevated rates of juvenile offending, substance abuse, and mental health problems. However, subsequent analysis using logistic regression methods showed that much of the elevated risk shown by this group was explained by social and contextual factors that were associated with patterns of childhood punishment/maltreatment. Nonetheless, even after control for confounding factors those reporting harsh or abusive childhood experiences were at increased risks of violent offending, suicide attempts, being a victim of violence, and alcohol abuse. CONCLUSION: This study leads to three major conclusions: (1) Those exposed to harsh or abusive treatment during childhood are an at-risk population for juvenile offending, substance abuse, and mental health problems; (2) Much of this elevated risk arises from the social context within which harsh or abusive treatment occurs; (3) Nonetheless, exposure to abuse appears to increase risks of involvement in violent behavior and alcohol abuse.