Inhibition of the LH Surge by Restraint Stress in Cyclic Rats: Studies on the Role of GABAA and GABAB Receptors

There is evidence that stress can alter the activity in the brain of gamma-aminobutyricacid (GABA), a neurotransmitter that has been implicated in the regulation of LH secretion. In the present study the role of GABA in the restraint stress-induced inhibition of the LH surge was investigated in the intact cyclic rat. Intracerebroventricular (icv) administration of the GABAA receptor agonist muscimol (0.1, 0.5 or 1 μg) 5 min before the presumed onset of the pro-oestrous LH surge (at 0900 h) caused a dose dependent suppression of the surge. A single dose of the GABAB receptor agonist baclofen (1 μg; icv) injected at 0855 h postponed the onset of the LH surge, and repeated injections at 0855 and 1130 h suppressed the surge. These data indicate that GABA-ergic activity in the brain can inhibit the LH surge in the cyclic rat via GABAA and GABAB receptors. Pro-oestrous rats were subjected to 5 hrs of restraint starting at 0855 h. Pretreatment with the GABAA receptor antagonist bicuculine (1 μg; icv) at 0840, 0940 and 1040 h or pretreatment with the GABAB receptor antagonist phaclofen (10 μg; icv) at 0840 h were ineffective in preventing the restraint-induced inhibition of the LH surge. The results suggest that GABAA and GABAB receptors are not involved in the inhibitory effect of restraint stress on the LH surge.     

Evaluation of the psychometric properties of two forgiveness scales

This study examined the psychometric properties of two forgiveness scales using participants enrolled at a Midwestern Catholic university (N = 328). The Forgiveness Scale is a 15—item Likert-type scale designed to measure forgiveness toward an of-fender. The Forgiveness Likelihood Scale is a 10—item Likert-type scale designed to measure tendency to forgive across situations. Factor analyses revealed that the For-giveness Scale contains two subscales (i.e., Absence of Negative, Presence of Posi-tive) and the Forgiveness Likelihood Scale consists of a single factor. Both scales have adequate internal consistency and test-retest reliability. Both subscales of the Forgiveness Scale were significantly correlated in the expected direction with mea-sures of forgiveness, religiousness, anger, hope, religious well-being, existential well-being, and social desirability. The Forgiveness Likelihood Scale was significantly correlated in the expected direction with measures of forgiveness, religiousness, trait anger, religious well-being, and social desirability. The authors thank Sarah Danko, Anne Hovancsek, Carla Kmett, Jennifer Martin, and Colleen Ryan for their assistance. We kindly request that researchers who use the forgiveness scales evaluated in this study provide us with a summary of their psychometric data for the scales. The idea for creating the Forgiveness Likelihood Scale was based upon the Willingness to Forgive Scale (Hebl & Enright, 1993).     

Development and validation of the counterfactual thinking for negative events scale

We examined the psychometric properties of the newly created Counterfactual Thinking for Negative Events Scale (CTNES) in two studies involving university undergraduates. In Study 1 (N = 634), factor analysis revealed four subscales that correspond with various types of counterfactual thinking: Nonreferent Downward, Other-Referent Upward, Self-Referent Upward, and Nonreferent Upward. The subscales were largely orthogonal and had adequate internal consistency and test-retest reliability. The CTNES subscales were positively correlated with a traditional method of assessing counterfactual thinking and were related as expected to contextual aspects of the negative event, negative affect, and cognitive style. In Study 2 (N = 208), we further examined the validity of the scale and demonstrated that the subscales were sensitive to an experimental manipulation concerning the type of negative event participants recalled. Moreover, the CTNES subscales correlated in the expected direction with measures of coping and cognitive style.     

Evaluation of the psychometric properties of two forgiveness scales

This study examined the psychometric properties of two forgiveness scales using participants enrolled at a Midwestern Catholic university (N = 328). The Forgiveness Scale is a 15—item Likert-type scale designed to measure forgiveness toward an of-fender. The Forgiveness Likelihood Scale is a 10—item Likert-type scale designed to measure tendency to forgive across situations. Factor analyses revealed that the For-giveness Scale contains two subscales (i.e., Absence of Negative, Presence of Posi-tive) and the Forgiveness Likelihood Scale consists of a single factor. Both scales have adequate internal consistency and test-retest reliability. Both subscales of the Forgiveness Scale were significantly correlated in the expected direction with mea-sures of forgiveness, religiousness, anger, hope, religious well-being, existential well-being, and social desirability. The Forgiveness Likelihood Scale was significantly correlated in the expected direction with measures of forgiveness, religiousness, trait anger, religious well-being, and social desirability. The authors thank Sarah Danko, Anne Hovancsek, Carla Kmett, Jennifer Martin, and Colleen Ryan for their assistance. We kindly request that researchers who use the forgiveness scales evaluated in this study provide us with a summary of their psychometric data for the scales. The idea for creating the Forgiveness Likelihood Scale was based upon the Willingness to Forgive Scale (Hebl & Enright, 1993).     

The Case of the Guilty Victim: The Effects of Gender of Victim and Gender of Perpetrator on Attributions of Blame and Responsibility

This study was designed to investigate the effects of gender on attributions of blame, responsibility, and recommended sentencing in a sexualized crime scenario with a 2 (perpetrator gender) by 2 (victim gender) by 2 (participant gender) between-subjects design. There was an interaction of gender of perpetrator and gender of victim such that female victims were held less responsible and their perpetrators were judged more harshly, especially when the perpetrator was male. Male victims were held the most responsible, especially when the perpetrator was male. Individual difference analyses indicated that attitude toward sexual minorities was the best predictor of judgments. Belief in a just world was not predictive of dependent measures. Attributions of blame and perceived defense adequacy were predictors of assigned penalty.     

The relationship between Quest religious orientation,forgiveness, and mental health

Little is known about how religious orientation, specifically Quest, relates to forgiveness. In addition, research on the relationship between Quest and psychological distress has yielded conflicting findings, possibly because previous studies have conceptualised Quest as a unidimensional construct. This study investigated how Quest and its recently recognised dimensions related to forgiveness and psychological distress. Participants (N?=?242) were undergraduates from a Midwestern Catholic university. They completed measures of Quest, forgiveness, and psychological distress. Results suggested that certain dimensions of Quest were better predictors of forgiveness (e.g., Tentativeness, Exploration, and Moralistic Interpretation) and distress (e.g., Change, Religious Angst, and Existential Motives). Importantly, results revealed that the same dimensions that were positively related to distress were negatively related to forgiveness. Further, the relationship between Quest and forgiveness was moderated by the perceived tolerance/open-mindedness level of the offender; it seems that individuals with a questing nature are less forgiving when the offender is perceived as less tolerant.