Adult Repetitive Behavior Questionnaire-2

Adult Repetitive Behavior Questionnaire-2 is associated with parkinsonism-like symptoms in humans.

“RBQ-2A scores were positively correlated with PSQ scores across both cohorts.”

Humansacross both cohorts

Age-related differences in behavioral and brain predictors of parkinsonism in autistic adults

Frontiers in aging neuroscience·29 Sep 2026