Does subthalamic stimulation induce personality modifications in Parkinson's disease? A Rorschach Test explorative...

Area of Science:

• Neuroscience
• Psychology
• Neurological Surgery

Background:

• Parkinson's disease (PD) is a neurodegenerative disorder affecting motor control.
• Deep brain stimulation of the subthalamic nucleus (DBS STN) is a therapeutic option for advanced PD.
• The impact of DBS STN on personality in PD patients requires further investigation.

Purpose of the Study:

• To investigate personality modifications in Parkinson's disease patients after bilateral subthalamic nucleus deep brain stimulation (DBS STN).
• To assess the relationship between DBS STN and personality structure using the Rorschach Psychodiagnostic test.

Main Methods:

• A cohort of fourteen Parkinson's disease patients underwent bilateral DBS STN.
• Personality was evaluated using the Rorschach test pre-operatively and one year post-operatively.
• Motor function, cognitive status, and dopaminergic treatment were also assessed.

Main Results:

• Patients showed significant motor symptom improvement and reduced dopaminergic medication post-surgery.
• No significant cognitive decline was observed between pre- and post-operative assessments.
• Rorschach test results indicated no major modifications in personality structure after DBS STN.

Conclusions:

• Bilateral DBS STN does not appear to cause significant personality alterations in Parkinson's disease patients.
• The findings suggest that DBS STN is a safe and effective treatment for motor symptoms without adverse effects on personality.
• Further research with larger cohorts may confirm these exploratory findings.