Tactile information processing in the trigeminal complex of the rat

Alexey N. Pavlov; Anatoly N. Tupitsyn; Valery A. Makarov; Fivos Panetsos; Angel Moreno; Victor Garcia-Gonzalez; Abel Sanchez-Jimenez

doi:10.1117/12.709155

7 February 2007 Tactile information processing in the trigeminal complex of the rat

Alexey N. Pavlov, Anatoly N. Tupitsyn, Valery A. Makarov, Fivos Panetsos, Angel Moreno, Victor Garcia-Gonzalez, Abel Sanchez-Jimenez

Author Affiliations +

Proceedings Volume 6436, Complex Dynamics and Fluctuations in Biomedical Photonics IV; 64360R (2007) https://doi.org/10.1117/12.709155
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

We study mechanisms of information processing in the principalis (Pr5), oralis (Sp5o) and interpolaris (Sp5i) nuclei of the trigeminal sensory complex of the rat under whisker stimulation by short air puffs. After the standard electrophysiological description of the neural spiking activity we apply a novel wavelet based method quantifying the structural stability of firing patterns evoked by a periodic whisker stimulation. We show that the response stability depends on the puff duration delivered to the vibrissae and differs among the analyzed nuclei. Pr5 and Sp5i exhibit the maximal stability to an intermediate stimulus duration, whereas Sp5o shows "preference" for short stimuli.

Citation Download Citation

Alexey N. Pavlov, Anatoly N. Tupitsyn, Valery A. Makarov, Fivos Panetsos, Angel Moreno, Victor Garcia-Gonzalez, and Abel Sanchez-Jimenez "Tactile information processing in the trigeminal complex of the rat", Proc. SPIE 6436, Complex Dynamics and Fluctuations in Biomedical Photonics IV, 64360R (7 February 2007); https://doi.org/10.1117/12.709155

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