Linda Sprague

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In order to assess higher auditory processing capabilities, long-latency auditory evoked potentials (AEPs) were recorded to synthesized musical instrument tones in 22 post-comatose patients with severe brain injury causing variably attenuated behavioural responsiveness. On the basis of normative studies, three different types of spectro-temporal modulation(More)
OBJECTIVES To examine whether two cortical processes concerned with spectro-temporal analysis of complex tones, a 'C-process' generating CN1 and CP2 potentials at cf. 100 and 180 ms after sudden change of pitch or timbre, and an 'M-process' generating MN1 and MP2 potentials of similar latency at the sudden cessation of repeated changes, are dependent on(More)
The electrical properties of p-n junctions are being investigated as a function of temperature and applied voltage. The observations include a careful determination of current flow as a function of voltage and also of the capacity of the junction as a function of voltage. Analysis of these observations yields interesting data, the interpretation of which(More)
OBJECTIVES To determine whether the process responsible for the mismatch negativity (MMN) might be involved in the analysis of temporal sound patterns for information. METHODS Synthesized musical instrument tones of 'clarinet' timbre were delivered in a continuous sequence at 16 tones/s, such that there was virtually no N1 potential to each individual(More)
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