The relationship between posttraumatic stress disorder symptoms and paternal parenting of adult children among ex-prisoners of war: a longitudinal study

The aversive impact of combat and combat-induced posttraumatic stress disorder (PTSD) on parenting of young children has been examined in a few studies. Nevertheless, the toll of war captivity on parenting and the long-term relations between posttraumatic symptoms and paternal parenting of adult children remains unknown. This longitudinal study examined paternal parenting of adult children among war veterans, some of whom were held in captivity. Furthermore, we examined the mediating role of PTSD symptoms in the association between captivity and parenting. The sample included two groups of male Israeli veterans from the 1973 Yom Kippur War: ex-prisoners of war (ex-POWs) and comparable veterans who had not been held captive. Both groups were assessed via self-report measures of PTSD at three time points: Time 1 (18 after the war), Time 2 (30 after the war), and Time 3 (35 after the war) years after the war. Results shows that ex-POWs reported lower levels of positive parenting compared to comparison group veterans at Time 3. Furthermore, PTSD symptoms at Time 1, Time 2, and Time 3 mediated the association between captivity experience and parenting at Time 3. In addition, it was found that increases in the levels of PTSD symptom clusters over time were associated with lower levels of positive parenting at Time 3.     

Maternal Uniparental Isodisomy Causing Autosomal Recessive GM1 Gangliosidosis: A Clinical Report

Uniparental disomy is a genetic cause of disease that may result in the inheritance of an autosomal recessive condition. A child with developmental delay and hypotonia was seen and found to have severely abnormal myelination. Lysosomal enzyme testing identified an isolated deficiency of beta-galactosidase. Subsequently, homozygous missense mutations in the galactosidase, beta 1 (GLB1) gene on chromosome 3 were found. Parental testing confirmed inheritance of two copies of the same mutated maternal GLB1 gene, and no paternal copy. SNP analysis was also done to confirm paternity. The patient was ultimately diagnosed with autosomal recessive GM1 gangliosidosis caused by maternal uniparental isodisomy. We provide a review of this patient and others in which uniparental disomy (UPD) of a non-imprinted chromosome unexpectedly caused an autosomal recessive condition. This is the first case of GM1 gangliosidosis reported in the literature to have been caused by UPD. It is important for genetic counselors and other health care providers to be aware of the possibility of autosomal recessive disease caused by UPD. UPD as a cause of autosomal recessive disease drastically changes the recurrence risk for families, and discussions surrounding UPD can be complex. Working with families to understand UPD when it occurs requires a secure and trusting counselor-family relationship.     

The relationships between posttraumatic stress symptom clusters and marital intimacy among war veterans

This study examined (a) the relationships between posttraumatic stress disorder (PTSD) symptom clusters and marital intimacy among Israeli war veterans and (b) the role of self-disclosure and verbal violence in mediating the effects of PTSD avoidance and hyperarousal symptoms on marital intimacy. The sample consisted of 219 participants divided into 2 groups: ex-prisoners of war (ex-POWs; N = 125) and a comparison group of veterans who fought in the same war but were not held in captivity (N = 94). Ex-POWs displayed higher levels of PTSD symptoms and verbal violence and lower levels of self-disclosure than did controls. Although ex-POWs and controls did not differ in level of marital intimacy, they did, however, present a different pattern of relationships between PTSD clusters and intimacy. In ex-POWs, self-disclosure mediated the relations between PTSD avoidance and marital intimacy. Verbal aggression was also found via indirect effect of hyperarousal on marital intimacy. The results point to the importance of self-disclosure and verbal violence as interpersonal mechanisms for the relations between posttraumatic symptoms on marital intimacy of ex-POWs.     

Parental Reflectiveness,Posttraumatic Symptoms and Alcohol Use Disorder among Israeli Combat-Veteran Fathers

Combat veterans are highly prone to develop Alcohol Use Disorder (AUD) following their release from duty, presumably due to high prevalence of prolonged aversive emotional symptoms such as Posttraumatic Stress Symptoms (PTSS). Parental Reflective Functions (PRF) and Parental Sense of Competence (PSOC) have been identified as key protective factors in predicting maternal functioning and well-being, yet little is known of its role among fathers, let alone combat veteran fathers. In this study we explored whether PRF and PSOC moderated the association between PTSS and AUD among 189 Israel Defense Forces (IDF) male combat veterans. Participants filled out validated measures assessing PTSS, PRF, PSOC and AUD. Results indicated that PTSS, as well as PRF’s “interest and curiosity regarding the child’s mental states” subscale, were positively correlated to AUD. In addition, PRF’s “certainty about child mental states” subscale moderated the association between PTSS and AUD, so that PTSS and AUD were significantly correlated for participants who reported average or high levels of certainty about their child’s mental states. This finding may imply that intrusive mentalizing (“hypermentalizing”) by veteran fathers may facilitate the association between PTSS and AUD, presumably by constituting a maladaptive mechanism for coping with the stressful uncertainty embedded in the parent–child relationship.

     

Gender differences in posttraumatic stress symptoms among former prisoners of wars’ adult offspring

Objectives: The lifetime risk for posttraumatic stress disorder (PTSD) and PTSD symptoms (PTSS) among primary and secondary female victims is known to be higher than for male. This study assessed gender differences in PTSS among former prisoners of war’s (ex-POWs) adult offspring and the associations with their fathers’ and mothers’ PTSS and the parental bonding with them.

Design: A correlative study.

Methods: A sample of 79 Israeli father–mother-offspring ex-POW triads from the 1973 Yom Kippur War completed self-report measures. Fathers were assessed in 2008, mothers were assessed in 2011 and their adult offspring took part in 2014.

Results: Sons of ex-POWs reported higher levels of PTSS as compared to daughters of ex-POWs. However, fathers’ PTSS was positively related to daughters’ PTSS, but not significantly related to sons’ PTSS. Daughters’ PTSS were also associated with both parents’ lower care and higher overprotection, while sons’ PTSS were associated only with fathers’ lower care and higher overprotection.

Conclusions: Among adult offspring of ex-POWs, sons are at greater risk for psychological distress in the form of PTSS. Nevertheless, the intergenerational transmission of captivity-related PTSS from both fathers and spouses to their offspring is more prominent among daughters of ex-POWs.     

Coping strategies of former prisoners of war mediate the intergenerational transmission of posttraumatic stress symptoms

Objectives: Certain coping strategies, characterized by emotional coping or disengagement/ avoidance, have been linked to posttraumatic stress disorder (PTSD) and PTSD symptoms (PTSS). However, the role of primary trauma victims’ coping strategies in the intergenerational transmission of PTSS is still lacking. This prospective study assessed the mediating role of former prisoners of war’s (ex-POWs) coping strategies in the associations between ex-POWs’ PTSS and their adult offspring’s secondary PTSS in relation to their fathers’ captivity and psychiatric symptomatology.

Design: A correlational, prospective study.

Method: A sample from the 1973 Yom Kippur War composed of 79 Israeli ex-POW father-offspring dyads completed self-report measures. Fathers were assessed in 2001 and 2008, and their adult offspring participated in 2014.

Results: ex-POWs’ problem-focused coping strategies of active coping and planning, as well as disengagement-oriented coping strategies of alcohol and substance use and venting of emotions, were negatively associated with offspring’s PTSS and psychiatric symptomatology. Importantly, ex-POWs’ venting of emotions mediated the link between ex-POWs’ PTSS and their offspring’s secondary PTSS.

Conclusions: Ex-POWs with PTSS might expose their offspring to dysregulated mood, behaviors, and cognitions. Special awareness should be given to the venting of emotions coping style as possible mechanism for the intergenerational transmission of captivity-related PTSS.     

Functional connectivity dynamics during film viewing reveal common networks for different emotional experiences

Recent theoretical and empirical work has highlighted the role of domain-general, large-scale brain networks in generating emotional experiences. These networks are hypothesized to process aspects of emotional experiences that are not unique to a specific emotional category (e.g., “sadness,” “happiness”), but rather that generalize across categories. In this article, we examined the dynamic interactions (i.e., changing cohesiveness) between specific domain-general networks across time while participants experienced various instances of sadness, fear, and anger. We used a novel method for probing the network connectivity dynamics between two salience networks and three amygdala-based networks. We hypothesized, and found, that the functional connectivity between these networks covaried with the intensity of different emotional experiences. Stronger connectivity between the dorsal salience network and the medial amygdala network was associated with more intense ratings of emotional experience across six different instances of the three emotion categories examined. Also, stronger connectivity between the dorsal salience network and the ventrolateral amygdala network was associated with more intense ratings of emotional experience across five out of the six different instances. Our findings demonstrate that a variety of emotional experiences are associated with dynamic interactions of domain-general neural systems.     

Threat perception in the chameleon (Chamaeleo chameleon): evidence for lateralized eye use

Chameleons are arboreal lizards with highly independent, large amplitude eye movements. In response to an approaching threat, a chameleon on a vertical pole moves so as to keep itself away from the threat. In so doing, it shifts between monocular and binocular scanning of the threat and of the environment. We analyzed eye movements in the Common chameleon, Chamaeleo chameleon, during avoidance response for lateralization, that is, asymmetry at the functional/behavioral levels. The chameleons were exposed to a threat, approaching horizontally from clockwise or anti-clockwise directions, and that could be viewed monocularly or binocularly. Our results show three broad patterns of eye use, as determined by durations spent viewing the threat and by frequency of eye shifts. Under binocular viewing, two of the patterns were found to be both side dependent, that is, lateralized and role dependent ("leading" or "following"). However, under monocular viewing, no such lateralization was detected. We discuss these findings in light of the situation not uncommon in vertebrates, of independent eye movements and a high degree of optic nerve decussation and that lateralization may well occur in organisms that are regularly exposed to critical stimuli from all spatial directions. We point to the need of further investigating lateralization at fine behavioral levels.