Pathological gambling in Parkinson's disease

Subthalamic oscillations during economics decisions

Manuela Rosa, Manuela Fumagalli, Gaia Giannicola, Sara Marceglia, Claudio Lucchiari, Domenico Servello, Angelo Franzini, Claudio Pacchetti, Luigi Romito, Alberto Albanese, Mauro Porta, Gabriella Pravettoni, Alberto Priori

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Pathological gambling develops in up to 8% of patients with Parkinson's disease. Although the pathophysiology of gambling remains unclear, several findings argue for a dysfunction in the basal ganglia circuits. To clarify the role of the subthalamic nucleus in pathological gambling, we studied its activity during economics decisions. We analyzed local field potentials recorded from deep brain stimulation electrodes in the subthalamic nucleus while parkinsonian patients with (n=8) and without (n=9) pathological gambling engaged in an economics decision-making task comprising conflictual trials (involving possible risk-taking) and non conflictual trials. In all parkinsonian patients, subthalamic low frequencies (2-12 Hz) increased during economics decisions. Whereas, in patients without gambling, low-frequency oscillations exhibited a similar pattern during conflictual and non conflictual stimuli, in those with gambling, low-frequency activity increased significantly more during conflictual than during non conflictual stimuli. The specific low-frequency oscillatory pattern recorded in patients with Parkinson's disease who gamble could reflect a subthalamic dysfunction that makes their decisional threshold highly sensitive to risky options. When parkinsonian patients process stimuli related to an economics task, low-frequency subthalamic activity increases. This task-related change suggests that the cognitive-affective system that drives economics decisional processes includes the subthalamic nucleus. The specific subthalamic neuronal activity during conflictual decisions in patients with pathological gambling supports the idea that the subthalamic nucleus is involved in behavioral strategies and in the pathophysiology of gambling.

Original languageEnglish
Pages (from-to)1644-1652
Number of pages9
JournalMovement Disorders
Volume28
Issue number12
DOIs
Publication statusPublished - Oct 2013

Fingerprint

Gambling
Parkinson Disease
Economics
Subthalamic Nucleus
Deep Brain Stimulation
Risk-Taking
Basal Ganglia
Decision Making
Electrodes

Keywords

  • Decision-making
  • Local field potentials
  • Parkinson's disease
  • Pathological gambling
  • Subthalamic nucleus

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology

Cite this

Rosa, M., Fumagalli, M., Giannicola, G., Marceglia, S., Lucchiari, C., Servello, D., ... Priori, A. (2013). Pathological gambling in Parkinson's disease: Subthalamic oscillations during economics decisions. Movement Disorders, 28(12), 1644-1652. https://doi.org/10.1002/mds.25427

Pathological gambling in Parkinson's disease : Subthalamic oscillations during economics decisions. / Rosa, Manuela; Fumagalli, Manuela; Giannicola, Gaia; Marceglia, Sara; Lucchiari, Claudio; Servello, Domenico; Franzini, Angelo; Pacchetti, Claudio; Romito, Luigi; Albanese, Alberto; Porta, Mauro; Pravettoni, Gabriella; Priori, Alberto.

In: Movement Disorders, Vol. 28, No. 12, 10.2013, p. 1644-1652.

Research output: Contribution to journalArticle

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