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Importance of electrophysiological signal features assessed by classification trees

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Lazar A, Muresan RC, Stadtler E, Munk M, Pipa G

Editorial: Neurocomputing, 70(10-12), p.2017-2021, 2006.


Sustained activity in prefrontal cortex is associated with the maintenance of information during short-term memory (STM).We have used impurity reduction criteria of classification trees to investigate how the behavioral performance of a monkey during STM is reflected in the information content of three features of recorded signals: rates of individual neurons, oscillations in the LFP, and oscillations in the spiking activity.T he LFP power in all bands, but in the α and β bands in particular, is more informative than the firing rate of neurons and the spike power with
respect to the monkeys performance.

Cuvinte cheie: Classification trees, impurity reduction, short-term memory, oscillations, monkey prefrontal cortex