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MM Roozendaal De Kruijf HF RJ Reuling A Threels JJ Swarts VM Wiegant JA Mattheij 《Stress (Amsterdam, Netherlands)》1997,1(4):241-248
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. 相似文献
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Effectiveness of a trauma/grief-focused group intervention: a qualitative study with war-exposed Bosnian adolescents 总被引:1,自引:0,他引:1
Cox J Davies DR Burlingame GM Campbell JE Layne CM Katzenbach RJ 《International journal of group psychotherapy》2007,57(3):319-345
The effectiveness and impacts of a school-based, trauma/grief-focused group treatment program for war-exposed youth in Bosnia and Herzegovina were investigated using semistructured focus groups, conducted separately for students and their school counselor group leaders. Overall, students' and leaders' evaluations of the groups were generally positive. General themes of outcomes and impacts perceived by students and group leaders include: acquisition of coping skills and attitudes, willingness to advocate for peers, improved interpersonal relationships, negative impacts, general positive impacts, impacts in the schools, impacts on the group and logistics of the program, and broader impacts on the perception of mental health in the community. The broad positive impacts of this program suggest that trauma/grief-focused group treatment intervention programs targeting trauma-exposed youth may be effective on multiple levels with war-exposed youth and their communities. 相似文献
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