30-08-2017, 11:30 AM
The detection of periodicity of amplitude modulation is an important step in determining the pitch of a SOODd. In this article we will present a model of silicone that uses the synchronization of the neurons of tapping to extract the fundamental frequency of a SOODd. It is based on the observation that so-called 'Choppers' in the mammalian Cochlear Nucleus are well synchronized for certain amplitude modulation rates, depending on the intrinsic cut-off frequency of the cell. Our silicone model uses three different circuits, ie an artificial cochlea, an Internal Hair Cell circuit and a peak neuronal circuit
The above observations show that humans outperform non-human primates in some time-based auditory discrimination tasks, suggesting that there are species differences in the competence of auditory temporal processing among primates. To solve these differences, we compared the capabilities of rhesus and human monkeys to detect the modulation of the sinusoidality (AM) of a broadband noise carrier as a function of both the AM (2.5 Hz-2 kHz) frequency and duration of the signal (50-800 ms) under similar test conditions. Using a go / no-go AM detection task, we found that monkeys were less sensitive than humans at the lower frequencies and shorter durations tested, but were as or slightly more sensitive to higher frequencies and longer durations long Humans had more extensive AM tuning functions, with less frequent regions of peak sensitivity (10-60 Hz) than monkeys (30-120 Hz).
The above observations show that humans outperform non-human primates in some time-based auditory discrimination tasks, suggesting that there are species differences in the competence of auditory temporal processing among primates. To solve these differences, we compared the capabilities of rhesus and human monkeys to detect the modulation of the sinusoidality (AM) of a broadband noise carrier as a function of both the AM (2.5 Hz-2 kHz) frequency and duration of the signal (50-800 ms) under similar test conditions. Using a go / no-go AM detection task, we found that monkeys were less sensitive than humans at the lower frequencies and shorter durations tested, but were as or slightly more sensitive to higher frequencies and longer durations long Humans had more extensive AM tuning functions, with less frequent regions of peak sensitivity (10-60 Hz) than monkeys (30-120 Hz).