Integration an recovery processes contribute to the temporal selecitvity of neurons in the midbrain of the northern leopard frog, Rana pipiens Export

@article{rose:2000, abstract = {This study examined the mechanisms underlying amplitude modulation selectivity in the anuran auditory midbrain. Single units were recorded extracellularly in the torus semicircularis of the northern leopard frog, Rana pipiens. Two physiologically distinct classes of neurons were identified, based on their response latencies and their selectivities to pulse repetition rates. Cells in one group had short response latencies (median=31 ms) and responded best to pulse repetition rates below 40 Hz. Tuning to low amplitude modulation rates was largely determined by recovery processes and phasic response properties. Cells in the second group had much longer latencies (median=81 ms) and were generally selective for pulse repetition rates greater than 40-50 Hz. Sensitivity to higher amplitude modulation rates resulted from integration processes; these units only responded when a threshold number of pulses were presented at a minimum pulse density (amplitude modulation rate). At amplitude modulation rates above their best rate, their responses decreased, apparently due to inadequate recovery time between pulses.}, author = {Alder, T. and Rose, Gary}, citeulike-article-id = {1627621}, journal = {J Comp Physiol A}, keywords = {amplitude, anurans, auditory, bibtex-import, modulation, patterns, processing, pulse, temporal, vertebrates}, number = {10}, pages = {923--937}, posted-at = {2007-09-06 15:22:37}, priority = {2}, title = {Integration an recovery processes contribute to the temporal selecitvity of neurons in the midbrain of the northern leopard frog, \textitRana pipiens}, volume = {186}, year = {2000} }

TY - JOUR ID - rose:2000 L3 - citeulike-article-id:1627621 N2 - This study examined the mechanisms underlying amplitude modulation selectivity in the anuran auditory midbrain. Single units were recorded extracellularly in the torus semicircularis of the northern leopard frog, Rana pipiens. Two physiologically distinct classes of neurons were identified, based on their response latencies and their selectivities to pulse repetition rates. Cells in one group had short response latencies (median=31 ms) and responded best to pulse repetition rates below 40 Hz. Tuning to low amplitude modulation rates was largely determined by recovery processes and phasic response properties. Cells in the second group had much longer latencies (median=81 ms) and were generally selective for pulse repetition rates greater than 40-50 Hz. Sensitivity to higher amplitude modulation rates resulted from integration processes; these units only responded when a threshold number of pulses were presented at a minimum pulse density (amplitude modulation rate). At amplitude modulation rates above their best rate, their responses decreased, apparently due to inadequate recovery time between pulses. IS - 10 JF - J Comp Physiol A EP - 937 TI - Integration an recovery processes contribute to the temporal selecitvity of neurons in the midbrain of the northern leopard frog, \textitRana pipiens VL - 186 SP - 923 KW - amplitude KW - anurans KW - auditory KW - bibtex-import KW - modulation KW - patterns KW - processing KW - pulse KW - temporal KW - vertebrates AU - Alder, T AU - Rose, Gary PY - 2000/// ER -