The neural code for interaural time difference in human auditory cortex
نویسندگان
چکیده
منابع مشابه
The neural code for interaural time difference in human auditory cortex.
A magnetoencephalography study was conducted to reveal the neural code of interaural time difference (ITD) in the human cortex. Widely used crosscorrelator models predict that the code consists of narrow receptive fields distributed to all ITDs. The present findings are, however, more in line with a neural code formed by two opponent neural populations: one tuned to the left and the other to th...
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We used in vivo voltage-sensitive dye optical imaging to examine the cortical representation of interaural time difference (ITD), which is believed to be involved in sound source localization. We found that acoustic stimuli with dissimilar ITD activate various localized domains in the auditory cortex. The main loci of the activation pattern shift up to 1 mm during the first 40 ms of the respons...
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Whole-brain functional magnetic resonance imaging was used to measure blood-oxygenation-level-dependent (BOLD) responses in human auditory cortex (AC) to sounds with intensity varying independently in the left and right ears. Echoplanar images were acquired at 3 Tesla with sparse image acquisition once per 12-second block of sound stimulation. Combinations of binaural intensity and stimulus pre...
متن کاملEvidence for opponent - channel coding of interaural time differences in human auditory 1 cortex
17 In humans, horizontal sound localisation of low-frequency sounds is mainly based on 18 interaural time differences (ITDs). Traditionally, it was assumed that ITDs are converted into 19 a topographic (or rate-place) code, supported by an array of neurons with parametric tuning 20 to ITDs within the behaviourally relevant range. While this topographic model has been 21 confirmed in owls, its a...
متن کاملEvidence for opponent-channel coding of interaural time differences in human auditory cortex.
In humans, horizontal sound localization of low-frequency sounds is mainly based on interaural time differences (ITDs). Traditionally, it was assumed that ITDs are converted into a topographic (or rate-place) code, supported by an array of neurons with parametric tuning to ITDs within the behaviorally relevant range. Although this topographic model has been confirmed in owls, its applicability ...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 2010
ISSN: 0001-4966
DOI: 10.1121/1.3290744