PMID: 9449823Feb 5, 1998Paper

Frequency resolution and spectral integration (critical band analysis) in single units of the cat primary auditory cortex

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
G Ehret, Christoph E Schreiner

Abstract

Frequency resolution and spectral filtering in the cat primary auditory cortex (AI) were mapped by extracellular recordings of tone responses in white noise of various bandwidths. Single-tone excitatory tuning curves, critical bandwidths, and critical ratios were determined as a function of neuronal characteristic frequency and tone level. Single-tone excitatory tuning curves are inadequate measures of frequency resolution and spectral filtering in the AI, because their shapes (in most neurons) deviated substantially from the shapes of "tuning curves for complex sound analysis", the curves determined by the band limits of the critical bandwidths. Perceptual characteristics of spectral filtering (intensity independence and frequency dependence) were found in average critical bandwidths of neurons from the central and ventral AI. The highest frequency resolution (smallest critical bandwidths) reached by neurons in the central and ventral AI equaled the psychophysical frequency resolution. The dorsal AI is special, since most neurons there had response properties incompatible with psychophysical features of frequency resolution. Perceptual characteristics of critical ratios were not found in the average neuronal responses in any a...Continue Reading

Citations

Sep 27, 2007·Experimental Brain Research·M Diane KeelingChristoph E Schreiner
Mar 14, 2000·Hearing Research·G Ehret, C E Schreiner
Sep 30, 1998·Current Opinion in Neurobiology·J P Rauschecker
Jun 9, 2000·Annual Review of Neuroscience·C E SchreinerM L Sutter
May 27, 2011·Journal of Neurophysiology·Edward L BartlettXiaoqin Wang
Mar 3, 2012·PloS One·Craig A Atencio, Christoph E Schreiner
Jul 5, 2001·Proceedings of the National Academy of Sciences of the United States of America·H L ReadC E Schreiner
Nov 4, 2006·Hearing Research·Yoshiharu Soeta, Seiji Nakagawa
Sep 9, 2011·Psychophysiology·Luba Daikhin, Merav Ahissar
Dec 18, 2013·NeuroImage·Masataka Nishimura, Wen-Jie Song
Dec 15, 2010·Hearing Research·Heather L ReadJeffery A Winer
May 5, 2011·Neuroscience and Biobehavioral Reviews·Dennis L Barbour
Feb 14, 2006·International Review of Neurobiology·Monty A Escabí, Heather L Read
Aug 3, 2000·The Journal of the Acoustical Society of America·Y I FishmanM Steinschneider
Dec 14, 2006·Neuroreport·Marina EgorovaGünter Ehret
Sep 2, 2005·Journal of Neurophysiology·Kevin N O'ConnorMitchell L Sutter
Mar 24, 2006·Journal of Neurophysiology·Dina MoshitchIsrael Nelken
Jun 2, 2006·Journal of Neurophysiology·Yonatan I Fishman, Mitchell Steinschneider
Sep 15, 2007·Journal of Neurophysiology·Kazuo Imaizumi, Christoph E Schreiner
Jan 18, 2013·Journal of Neurophysiology·Isaac M CarruthersMaria N Geffen
Jan 1, 2016·Cerebral Cortex·Itai Hershenhoren, Israel Nelken
Feb 29, 2020·Nature Communications·Kyunghee X KimChristoph E Schreiner
Jan 11, 2002·Journal of Neurophysiology·Lee M MillerChristoph E Schreiner

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