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Vocal emotion decoding in the subthalamic nucleus: An intracranial ERP study in Parkinson's disease

Haegelen, Claire
Houvenaghel, Jean-François
Dondaine, Thibaut
Vérin, Marc
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Published in Brain and Language. 2017, vol. 168
Abstract Using intracranial local field potential (LFP) recordings in patients with Parkinson's disease (PD) undergoing deep brain stimulation (DBS), we explored the electrophysiological activity of the subthalamic nucleus (STN) in response to emotional stimuli in the auditory modality. Previous studies focused on the influence of visual stimuli. To this end, we recorded LFPs within the STN in response to angry, happy, and neutral prosodies in 13 patients with PD who had just undergone implantation of DBS electrodes. We observed specific modulation of the right STN in response to anger and happiness, as opposed to neutral prosody, occurring at around 200–300 ms post-onset, and later at around 850–950 ms post-onset for anger and at around 3250–3350 ms post-onset for happiness. Taken together with previous reports of modulated STN activity in response to emotional visual stimuli, the present results appear to confirm that the STN is involved in emotion processing irrespective of stimulus valence and sensory modality.
Keywords Deep brain stimulationEmotional prosodyLocal field potentialsParkinson's diseaseSubthalamic nucleus
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Article (Published version) (1.5 MB) - public document Free access
Research groups Affective sciences
Neuroscience de l'émotion et dynamiques affectives (NEAD)
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PERON, Julie Anne et al. Vocal emotion decoding in the subthalamic nucleus: An intracranial ERP study in Parkinson's disease. In: Brain and Language, 2017, vol. 168. doi: 10.1016/j.bandl.2016.12.003 https://archive-ouverte.unige.ch/unige:95989

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Deposited on : 2017-08-04

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