PubMed · 10143862
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D S Sherman. 1995. Why are we using antipsychotics?. https://pubmed.ncbi.nlm.nih.gov/10143862/
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This paper uses longitudinal survey data from Taiwan to investigate the predictors of elderly mortality. The empirical analysis confirms a relationship between socioeconomic characteristics and mortality, but this relationship weakens considerably when estimates are conditional on the health status at the time of the first wave survey. In terms of predictive power, the models with an activities of daily living index fare better (as opposed to models with self-evaluated health or self-reported illnesses). Having said that there is a payoff to the consideration of self-evaluated health jointly with other 'objective' health indicators. Other findings include a strong association between life satisfaction and survival, which prevails even after controlling for other explanatory variables.
Women with breast cancer are one of the largest groups of cancer survivors. This research examined whether breast cancer has a long-term impact on quality of life (QOL) by comparing 5-year disease-free survivors to age-matched controls and by comparing women who sustained a recurrence to disease-free survivors. Controls were recruited using the neighborhood control methodology. QOL (physical, emotional, social, and spiritual) was assessed during in-person interviews. There were no differences between disease-free survivors (n = 267) and controls (n = 187) on many indicators of QOL. However, survivors reported more difficulties with physical functioning, more physical symptoms, and more faith than did controls (all ps < 0.05). Compared to disease-free survivors, survivors with a recurrence (n = 37) had a worse QOL on most indices, less positive affect, more general fatigue, and more intrusive and avoidant thoughts (all ps < 0.05). There were no differences between the two groups of survivors on indices of marriage, work experiences, or spirituality. These findings suggest that the QOL of long-term survivors who remain disease-free is comparable to that of women their age with the exception of physical functioning. Women who sustain a recurrence suffer an impaired QOL in some, but not all, domains.
Patients with alien hand (AH) syndrome from medial frontal lesions exhibit involuntary but seemingly purposeful contralesional upper limb movements. Two observations about AH patients have received little, if any, experimental confirmation. The first is that AH is triggered opportunistically by nearby objects. The second is that AH behaviors are increased in conditions of fatigue or anxiety, i.e. under reduced attentional control. A prominent account explains AH as reduced intention-driven (endogenous) executive control. This account predicts that erroneous AH behaviors should be driven by environmental (i.e. exogenous) factors, such as distractor proximity to the hand. AH errors should be less influenced by the intention or action plan (i.e. endogenous factors), such as the semantic relatedness of distractors to targets. Moreover, due to capacity limitations of the endogenous controller, AH behaviors should increase under conditions of secondary task load. We tested these predictions with an AH patient in two experiments using a naturalistic coffee-making task. Experiment 1 demonstrated that the affected hand was highly perseverative and strongly influenced by exogenous but not endogenous factors. The non-alien hand made fewer errors. Experiment 2 showed that there was a disproportionate increase in perseverations and exogenous errors of the affected hand under secondary task load. The non-alien hand was significantly less disrupted by dual task conditions. These data provide experimental support for previous anecdotal observations about AH behavior in naturalistic settings, and are consistent with a unilateral defect in endogenous control.