ABSTRACT
This trial study is conducted in the field of psychopharmacology aiming to examine psychological effects of caraway. The sample under study consists of two groups including experimental [N=22] and control [N=28]; both groups were identical in terms of demographic characteristics. The subjects participated voluntarily in the study; they were placed into experimental and control groups by random selection. The evaluation of attention function test was carried out by computerized Stroop effect test. The results from analysis of covariance statistical test [ANCOVA] showed that taking caraway with an effective dose may increase functions of selective attention, response inhibition ability as well as cognitive flexibility and change [p<0.005]. Taking advantage of positive effects of caraway extract, it may be used as one of the herbal medicine in treating stress and increasing different attention functions