Recent research and theory suggest that mindfulness, or enhanced attention and awareness in the present moment [Brown and Ryan, 2003], may be linked to lower levels of ego-involvement and, as a result, may have implications for lowering hostility and aggressive behavior. Accordingly, we conducted two studies to examine the potential aggression-mitigating role of mindfulness. In Study 1, we found that dispositional mindfulness correlated negatively with self-reported aggressiveness and hostile attribution bias. In Study 2, participants made mindful before receiving social rejection feedback displayed less-aggressive behavior than did rejected participants not made mindful. Discussion centers on potential mechanisms by which mindfulness operates to reduce aggressive behavior.
This study examined the within-person relationships among daily self-esteem, felt authenticity (i.e., the operation of one's "true self"), and satisfaction of psychological needs for autonomy, competence, and relatedness. We also included measures of affect to control for the variance these constructs might share with affect. Over a 2-week period, 116 participants responded daily to measures of these variables. Multilevel random-coefficients modeling revealed that authenticity, autonomy, competence, and relatedness were all positively and significantly related to daily reports of self-esteem, even when we controlled for the contributions of pleasant and unpleasant affect. We discuss the roles of authenticity and psychological needs in daily feelings of self-worth.
To evaluate the role of antithrombotic therapy, on preserving graft patency, we performed a meta-analysis of randomized clinical trials involving aspirin (ASA), dipyridamole (D), anticoagulants (AC) and placebo or nontreatment controls (P). Manual literature searches were performed supplemented by computerized MEDLINE listings complete to July 1991. Saphenous vein graft occlusion was determined by angiography (patients with > or = 1 distal anastomotic occlusion). The trial data were aggregated with the methods of Mantel and Haenszel. The results are reported as odds ratios (OR) +/- 95% confidence intervals (CI). Seventeen trials were evaluated. Aspirin strongly influenced graft occlusion [ASA +/- D vs P: OR 0.60, 95% CI 0.51, 0.71, P < 0.0001], but dipyridamole provided no additional benefit [ASA+D vs ASA: OR 0.94, 95% CI 0.72, 1.24, P = 0.71]. Anticoagulants reduced graft occlusion [AC vs P: OR 0.56, 95% CI 0.33, 0.93, P = 0.025] and the results were similar to that achieved with aspirin [ASA vs AC: OR 0.95, 95% CI 0.62, 1.44, P = 0.87]. The combination of aspirin and anticoagulants was superior to anticoagulants alone in two limited trials [ASA+AC vs AC: OR 0.55, 95% CI 0.33, 0.88, P = 0.01]. A low (100 mg) to medium (325 mg) daily aspirin dosage was more effective than a high dose (975 mg). Early postoperative treatment (< or = 6 h) strongly influenced graft occlusion while preoperative administration provided no additional benefit. No mortality advantage was identified for any antithrombotic therapy. Aspirin or anticoagulants enhance saphenous vein graft patency following aortocoronary bypass surgery, and a combination thereof deserves further investigation in a trial large enough to detect the effects of these treatments with respect to clinical events.
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