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EPJ Nonlinear Biomedical Physics
Figure 4 | EPJ Nonlinear Biomedical Physics

Figure 4

From: Associative learning and self-organization as basic principles for simulating speech acquisition, speech production, and speech perception

Figure 4

Neural representation of an auditory state within the auditory state map for the German word “ist” (“is”). Top line: phonetic transcription of the word. Below: a 21 x 24 neuron map (auditory state map) representing the auditory state of the word/syllable in the format of a Bark-scaled spectrogram. Horizontal rows: frequency in Bark groups from 1 to 24 (0 to 20000 Hz). Vertical columns: 12.5 ms time intervals. The degree of activation of a model neuron represents the acoustic intensity within that frequency-time-square. The blue vertical line represents the start time of the syllable nucleus, while the two red vertical lines represent the beginning and end of the syllable. (See also the motor plan state map, Figure 3.)

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