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Obsessive-compulsive phenomenon and Parkinson's disease

¹ Department of Psychiatry, Postgraduate Institute of Medical Education and Research, Chandigarh-160 012, India

Correspondence to:
Correspondence to:
Professor N Gupta;
tinysam@glide.net.in

Keywords: Parkinson's disease; obsessive-compulsive disorder

Alegret et al¹ have systematically studied patients with Parkinson's disease for presence of "obsessive-compulsive traits". This study is based on the evidence that Parkinson's disease and obsessive-compulsive disorder have neuroanatomical overlap in terms of frontobasal ganglia circuitary involvement. Anatomical specificity of obsessive-compulsive disorder or obsessive-compulsive phenomenon has been previously studied in Tourette's syndrome, Huntington's chorea, Sydenham's chorea etc, but not in Parkinson's disease.² The authors, through a cross sectional design, found significantly high scores on the Maudsley obsessive-compulsive Inventory (MOCI) and Leyton obsessional inventory (LOI) in severe Parkinson's disease. However, the presentation and interpretation of results merits further elucidation and clarification.

The aim has been mentioned as to " . . .systematically investigate obsessive-compulsive traits in Parkinson's disease", using MOCI and LOI. Although LOI is used to assess both obsessional symptoms and traits,³ MOCI is used to investigate the different types and rate severity of obsessive-compulsive complaints in patients with . . . [Full text of this article]

M Alegret², C Junqué², P Vendrell², F Valldeoriola³, M J Marti³, E Tolosa³

² Department of Psychiatry and Clinical Psychobiology, Univeristat de Barcelona, IDIBAPS, Casanova 143, E-08036 Barcelona, Spain
³ Parkinson's and Movement Disorders Unit, Institut Clinic de Malalties del Sistema Nerviós (ICMSN), Department of Neurology, Hospital Clinic Universitari, School of Medicine, Barcelona, Spain

Correspondence to:
Correspondence:
Dr C Junqué;
cjunque@psi.ub.es