A meta-analytic review of exposure in group cognitive behavioral therapy for posttraumatic stress disorder.

Although the efficacy of exposure is well established in individual cognitive behavioral treatments for posttraumatic stress disorder (PTSD), some clinicians and researchers have expressed concerns regarding the use of in-session disclosure of trauma details through imaginal exposure in group cognitive behavioral therapy (GCBT) for PTSD. Thus, the aim of the present study was to conduct a systematic review of the empirical support for GCBT in the treatment of PTSD and to compare GCBT protocols that encourage the disclosure of trauma details via in-session exposure to GCBT protocols that do not include in-session exposure. Randomized controlled trials that assessed the efficacy of GCBT for PTSD were included in the meta-analysis.

A marker of early amacrine cell development in rat retina.

A monoclonal antibody, HPC-1, labels only amacrine and displaced amacrine cells in adult rat retina. Reactivity with displaced amacrine cells was demonstrated by double-label immunofluorescence with HPC-1 and ganglion cell-specific reagents. HPC-1 antibody reacts with a polypeptide of apparent molecular weight 35,000.