The Predictors of Suicidality in Previous Suicide Attempters following Case Management Services

Suicide attempts constitute a serious clinical problem. People who have attempted suicide are at an elevated risk for additional suicide attempts, but there is limited evidence regarding the predictors of suicidality of suicide attempters following case management services. In the present study the indicators of suicidality after case management were examined. A total of 1,056 subjects who had recently attempted suicide were recruited from January 1, 2011, to June 30, 2011. The suicide prevention center of Kaohsiung City in Taiwan provided case management services and followed up on suicide attempt cases for 6 months. The salient factors for repeat suicide attempts were estimated using a logistic regression analysis. The results showed that multiple factors, including a “willingness to receive mental health services during a crisis,” “social support,” “a history of mental disorders,” and “a history of suicide,” could predict repeat suicide attempts with hazard ratios (0.58, 0.54, 3.84, 1.51) and 95% confidence interval (0.39–0.86, 0.36–0.83, 2.41–6.10, 1.03–2.21). The four factors mentioned above were the most accurate predictors of subsequent suicidality when case management services were utilized after 6 months of follow‐up. The findings of our study could help clarify future strategies for suicide prevention.     

Action experience in infancy predicts visual-motor functional connectivity during action anticipation

Despite substantial evidence indicating a close link between action production and perception in early child development, less is known about how action experience shapes the processes of perceiving and anticipating others’ actions. Here, we developed a novel approach to capture functional connectivity specific to certain brain areas to investigate how action experience changes the networks involved in action perception and anticipation. Nine- and-12-month-old infants observed familiar (grasping) and novel (tool-use) actions while their brain activity was measured using EEG. Infants’ motor competence of both actions was assessed. A link between action experience and connectivity patterns was found, particularly during the anticipation period. During action anticipation, greater motor competence in grasping predicted greater functional connectivity between visual (occipital alpha) and motor (central alpha) regions relative to global levels of whole-brain EEG connectivity. Furthermore, visual and motor regions tended to be more coordinated in response to familiar versus novel actions and for older than younger participants. Critically, these effects were not found in the control networks (frontal-central; frontal-occipital; parietal-central; parietal-occipital), suggesting a unique role of visual-motor networks on the link between motor skills and action encoding.

Highlights

• Infants’ motor development predicted functional connectivity patterns during action anticipation.
• Faster graspers, and older infants, showed a stronger ratio of visual-motor neural coherence.
• Overall whole-brain connectivity was modulated by age and familiarity with the actions.
• Measuring inter-site relative to whole-brain connectivity can capture specific brain-behavior links.
• Measures of phase-based connectivity over time are sensitive to anticipatory action.

     

The Cognitive Dynamics of Beliefs: The Effect of Information on Message Processing

This study investigated the time course of belief change from univalent versus mixed‐valence messages, both while the message was being received and after receipt while it was being considered. Hypotheses about the temporal patterns of belief change were tested with belief trajectories from S. E. McGreevy (1996) , valid N= 78, with an average number of time points per person = 5,267 (126.41 seconds) for the message‐receipt phase and 2,467 (59.22 seconds) for the postmessage phase. Results showed that while receiving a message, beliefs changed according to the value and the order of presentation of information in the message. A greater number of positive belief changes were generated in response to a positive univalent message than to a mixed‐valence message. In the postmessage phase, a greater oscillatory pattern of belief change was found for a mixed‐valence message than for a univalent message. Theoretical and methodological implications of these findings are discussed.     

Methods of Suicide Among Cancer Patients: A Nationwide Population‐Based Study

A 3‐year nationwide population‐based data set was used to explore methods of suicide (violent vs. nonviolent) and possible contributing factors among cancer patients in Taiwan. A total of 1,065 cancer inpatients who committed suicide were included as our study sample. The regression shows that those who had genitourinary cancer were 0.55 times (p = 0.047) less likely to use violent methods to commit suicide than those who had respiratory cancer. Among those who committed suicide out of town, the odds of using violent methods were 1.39 (p = 0.015) of their counterparts who had committed suicide in their hometowns. Those who had income between NT$15,841～NT$25,000 were 0.70 (p = 0.042) times less likely to use violent methods to commit suicide than those who had no income.     

Self‐Construal Scales Lack Validity

Self‐construal is thought to mediate and explain the effects of culture on a wide variety of outcome variables. A meta‐analysis of published cross‐cultural self‐construal research is reported in this article, and the results across studies suggests that the evidence for the predicted cultural differences is weak, inconsistent, or nonexistent. The results of 3 priming experiments (N = 121, N = 99, and N = 361) suggest that (a) priming does not account for the inconsistent results observed in the meta‐analysis, (b) that scores on a self‐construal scale appear to be measuring trait‐like constructs that are not sensitive to priming, and (c) that measures of self‐construals lack convergent validity. The results of several measurement studies (N = 121, 223, 230, 323, 214, 206, 126, 204, 148, 141, and 150) were inconsistent with the a priori two‐factor measurement model in every case. Self‐construal scales were found to be radically multidimensional and highly unstable within and across cultures. These results lead us to conclude that catastrophic validity problems exist in research involving the use of self‐construal scales in cross‐cultural research.     

The Prevalence of and Psychosocial Risks for Suicide Attempts in Male and Female College Students in Taiwan

The prevalence of and psychosocial risks for suicide attempts was investigated in college students in Taiwan by gender, after controlling for depressive symptoms. Self‐reported data were collected from a nationally representative sample of 2,835 college students; 11.90% of females and 8.87% of males reported they had attempted suicide in the preceding 12 months. After controlling for depression, suicidal ideations were associated with suicide attempts in females, whereas there were fewer positive expectations toward the future associated with suicide attempts in males. Several explanations for the high prevalence of suicide attempts among college students in Taiwan were discussed. In the future, further verification of the findings is necessary.