Related Experiment Video
Updated: Jan 7, 2026

Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats
Published on: May 27, 2021
Tourette Syndrome Through the Ages: A Historical and Contemporary Overview
Tanvi Vippa1, Jaclyn M Martindale1,2
1Wake Forest University School of Medicine, Winston-Salem, NC, USA.
Abstract:
Persistent tic disorders (PTDs), including Tourette syndrome (TS), are neurodevelopmental disorders characterized by the presence of multiple motor and vocal tics for at least 1 year. Nearly 1.4 million Americans have PTDs, including TS. The prevalence is underreported because 50% of individuals who meet criteria for TS are suspected to be undiagnosed. The first clinical descriptions of TS were documented in the 1400s. It was not until 1885 that TS was formally characterized, and not until the 1960s that the understanding of TS shifted from psychological toward current neurobiologic theories. Although understanding of TS has expanded, there remain a lot of unknowns and stigma about the disorder. The goal of this study is to provide a brief historical perspective and review of the current knowledge of TS.
Related Concept Videos
Parkinson's Disease: Overview
Theoretical Approaches to Psychological Disorder
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
Obsessive-Compulsive Disorder
Introduction to Psychological Disorders
Deviant Behavior
Deviance in behavior refers to actions or thought patterns that significantly diverge from societal norms or...
Disorders of the Nervous Tissue
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Modeling in Therapy
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...

