Request for information ("David K. Mellinger" )

Subject: Request for information
From:    "David K. Mellinger"  <dkm1(at)CRUX3.CIT.CORNELL.EDU>
Date:    Thu, 25 Feb 1993 11:37:11 -0500

The papers I know of study an [Amplitude] Modulation Transfer Function, which measures the neural firing rate for given rates of sinusoidal AM imposed on a fixed-frequency carrier. (There are also measurements of the degree of phase-locking, and measurements using square-wave AM.) Since different sinusoidal AM rates are somewhat like different onset rates, they may be what you want. For instance, the first paper below plots neural responses to a carrier which was amplitude-modulated at rates of 2-11 Hz, finding the strongest response around 5 Hz. The latter would be the "Best [Amplitude] Modulation Frequency." Other papers find neurons with BMF's up to roughly 1 kHz, suggesting that this may be part of a pitch mechanism. The best place I know of to start would be (at)incollection{ author = "Christoph E. Schreiner and Gerald Langner", title = "Coding of Temporal Patterns in the Central Auditory Nervous System", booktitle = "Auditory Function", publisher = WILEY, year = 1988, editor = "G. M. Edelman and W. E. Gall and W. M. Cowan", chapter = 11, pages = "337-361", address = WILEY_ADDRESS, } Other useful papers would be these: (at)article{ author = "Christoph E. Schreiner and J. V. Urbas", title = "Representation of Amplitude Modulation in the Auditory Cortex of the Cat, parts I and II." journal = "Hearing Research" year = 1986 (part I) 1988 (part II) volume = 21 32 pages = 227-241 49-64 } (at)article{ author = "Christoph E. Schreiner and Gerald Langner", title = "Periodicity Coding in the Inferior Colliculus of the Cat, parts I and II." journal = "Journal of Neurophysiology", year = 1988, volume = 60, number = 6, pages = "1799-1840", month = dec, } If these don't help, you might ask Chris Schreiner, who works at U. C. San Francisco. Dave Mellinger dkm1(at) 607-254-2431

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