Title :
The role of synaptic parameters in a parkinsonian population level model of the basal ganglia
Author :
Tsirogiannis, George L. ; Sakas, Damianos ; Tagaris, George A. ; Nikita, Konstantina S.
Author_Institution :
Sch. of Electr. & Comput. Eng., Nat. Tech. Univ., Athens, Greece
fDate :
April 29 2009-May 2 2009
Abstract :
A persistent hallmark of Parkinson disease is a beta band peak in the power spectral density function of the Local Field Potential (LFP) signals, derived from basal ganglias subthalamic nucleus microelectrode recordings. The peaks role in Parkinsonian pathophysiology is thought to be central. A new proposed population level model of the basal ganglia generates Parkinsonian LFPs by expressing a beta band peak. For that to take place, the neurophysiological parameters that suffer pathogenic modification are shown to be both the amplitude and the duration of the post-synaptic potentials.
Keywords :
bioelectric potentials; biomedical electrodes; biomedical measurement; brain; cellular biophysics; diseases; medical disorders; microelectrodes; neurophysiology; Parkinson disease; basal ganglia; local field potential; neurophysiological parameter; parkinsonian population level; postsynaptic potential; power spectral density function; subthalamic nucleus microelectrode recording; synaptic parameter; Basal ganglia; Brain modeling; Frequency synchronization; Hospitals; Microelectrodes; Neural engineering; Parkinson´s disease; Power engineering and energy; Power engineering computing; Satellite broadcasting; Basal ganglia; Parkinsons disease; beta band peak; dopamine modulation; local field potentials; population level models;
Conference_Titel :
Neural Engineering, 2009. NER '09. 4th International IEEE/EMBS Conference on
Conference_Location :
Antalya
Print_ISBN :
978-1-4244-2072-8
Electronic_ISBN :
978-1-4244-2073-5
DOI :
10.1109/NER.2009.5109363