This study examined developmental changes in concept formation, rule switching, and perseverative behaviors of children in the WCST by altering visual features of the test and using a new test score--the "zigzag" error score--which shows the number of shifts made between two incorrect concepts or rules. Instead of the original four 3-dimensional…

Examining cognitive changes in alcoholics in treatment and nonalcoholics after alcohol cue exposure. Alcoholics responded to alcohol cues with reports of increased physical symptoms, decreased confidence about coping with future temptation, and increased guilt. Findings suggest that alcoholics in high-risk relapse situations experience an increase…