Search Results - "Poon, Paul W.F"

Frequency discrimination in rats exposed to noise as juveniles by Šuta, Daniel, Rybalko, Natalia, Shen, Da-Wei, Popelář, Jiří, Poon, Paul W.F, Syka, Josef

“…Abstract Sound exposure during the early postnatal period can significantly influence the function of the auditory system in rats during adulthood. In the…”
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Modeling complex responses of FM-sensitive cells in the auditory midbrain using a committee machine by Chang, T.R, Chiu, T.W, Sun, X, Poon, Paul W.F

“…Abstract Frequency modulation (FM) is an important building block of complex sounds that include speech signals. Exploring the neural mechanisms of FM coding…”
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Modeling frequency modulated responses of midbrain auditory neurons based on trigger features and artificial neural networks by Chang, T.R, Chiu, T.W, Sun, X, Poon, Paul W.F

“…Abstract Frequency modulation (FM) is an important building block of communication signals for animals and human. Attempts to predict the response of central…”
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Effect of Cage Size on Ultradian Locomotor Rhythms of Laboratory Mice by Poon, Angela M.S, Wu, B.M, Poon, Paul W.F, Cheung, Emily P.W, Chan, Francis H.Y, Lam, F.K

“…POON, A. M. S., B. M. WU, P. W. F. POON, E. P. W. CHEUNG, F. H. Y. CHAN AND F. K. LAM. Effect of cage size on ultradian locomotor rhythms of laboratory mice…”
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Functional connections between auditory cortical fields in humans revealed by Granger causality analysis of intra-cranial evoked potentials to sounds: Comparison of two methods by Oya, Hiroyuki, Poon, Paul W.F., Brugge, John F., Reale, Richard A., Kawasaki, Hiroto, Volkov, Igor O., Howard, Matthew A.

“…Knowledge of neural interactions amongst cortical sites is important for understanding higher brain function. We studied such interactions using Granger…”
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Long-term changes of response in the inferior colliculus of senescence accelerated mice after early sound exposure by Chiu, T.W, Poon, Paul W.F, Chan, W.Y, Yew, David T.W

“…Early sound exposure could alter auditory sensitivity in young animals. For example, the distribution of frequency tuning at the midbrain inferior colliculus…”
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Similarities of FM and AM receptive space of single units at the auditory midbrain by Poon, Paul W.F, Chiu, T.W

“…Complex sounds, including human speech, contain time-varying signals like frequency modulation (FM) and amplitude modulation (AM) components. In spite of…”
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A novel system for simultaneous monitoring of locomotor and sound activities in animals by Wu, B.M, Chan, F.H.Y, Lam, F.K, Poon, Paul W.F, Poon, A.M.S

“…This paper describes a PC-based system for simultaneous monitoring of locomotor and sound activities on small rodents. The displacement and location signals of…”
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Simulation of free-field sound sources and its application to studies of cortical mechanisms of sound localization in the cat by Brugge, J F, Reale, R A, Hind, J E, Chan, J C, Musicant, A D, Poon, P W

“…We synthesized a set of signals (clicks) for earphone delivery whose waveforms and amplitude spectra, measured at the eardrum, mimic those of sounds arriving…”
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Age-related changes in the acoustic startle reflex in Fischer 344 and Long Evans rats by Rybalko, Natalia, Bureš, Zbyněk, Burianová, Jana, Popelář, Jiří, Poon, Paul W.F., Syka, Josef

“…The behavioral consequences of age-related changes in the auditory system were studied in Fischer 344 (F344) rats as a model of fast aging and in Long Evans…”
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Prolonged sound exposure has different effects on increasing neuronal size in the auditory cortex and brainstem by Lu, H.P., Syka, J., Chiu, T.W., Poon, Paul W.F.

“…Tone at moderate levels presented to young rats at a stage (postnatal week-4) presumably that has passed the cortical critical period still can enlarge neurons…”
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Fine frequency-modulation trigger features of midbrain auditory neurons extracted by the progressive thresholding method--a preliminary study by Chang, T R, Chiu, T W, Sun, X, Poon, Paul W F

“…Spectro-temporal receptive fields (STRFs) are commonly used to characterize response properties of central auditory neurons and for visualizing 'trigger…”
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Responses of midbrain auditory neurons in rats to FM and AM tones presented simultaneously by Lee, M F, So, Edmund C, Poon, Paul W F

“…Speech and other communication signals contain components of frequency and amplitude modulations (FM, AM) that often occur together. Auditory midbrain (or…”
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Evaluation of microvasculature at the auditory midbrain-the benefits of sectioning at a tangential angle by So, Edmund Cheung, Lu, Hui-Pin, Hsing, Chung Hsi, Wu, Sheng Nan, Chang, Yu-Kai, Poon, Paul W.F.

“…ABSTRACT Vascular remodeling in the brain occurs as a plastic change following neural over‐activity. The auditory midbrain (or inferior colliculus, IC) is an…”
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Deactivation of the inferior colliculus by cooling demonstrates intercollicular modulation of neuronal activity by Orton, Llwyd D, Poon, Paul W F, Rees, Adrian

“…The auditory pathways coursing through the brainstem are organized bilaterally in mirror image about the midline and at several levels the two sides are…”
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Should spikes be treated with equal weightings in the generation of spectro-temporal receptive fields? by Chang, T.R., Chiu, T.W., Chung, P.C., Poon, Paul W.F.

“…Knowledge on the trigger features of central auditory neurons is important in the understanding of speech processing. Spectro-temporal receptive fields (STRFs)…”
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Real-time data-reusing adaptive learning of a radial basis function network for tracking evoked potentials by Wei Qiu, Chunqi Chang, Wenqing Liu, Poon, P.W.F., Yong Hu, Lam, F.K., Hamernik, R.P., Gang Wei, Chan, F.H.Y.

“…Tracking variations in both the latency and amplitude of evoked potential (EP) is important in quantifying properties of the nervous system. Adaptive filtering…”
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Adaptive filtering of evoked potentials with radial-basis-function neural network prefilter by Wei Qiu, Fung, K.S.A., Chan, F.H.Y., Lam, F.K., Poon, P.W.F., Hamernik, R.P.

“…Evoked potentials (EPs) are time-varying signals typically buried in relatively large background noise. To extract the EP more effectively from noise, we had…”
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Spectro-temporal receptive fields of midbrain auditory neurons in the rat obtained with frequency modulated stimulation by Poon, Paul W.F., Yu, P.P.

“…Single unit responses at the auditory midbrain of the anesthetized rat were characterized in terms of spectro-temporal receptive field (STRF) using random…”
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Early postnatal sound exposure induces lasting neuronal changes in the inferior colliculus of senescence accelerated mice (SAMP8): a morphometric study on GABAergic neurons and NMDA expression by Lorke, Dietrich Ernst, Wong, Lai Yung, Lai, Helen W L, Poon, Paul W F, Zhang, Aiqun, Chan, Wood Yee, Yew, David Tai Wai

“…Senescence-acceleration-prone mice (SAMP8) provide a model to study the influence of early postnatal sound exposure upon the aging auditory midbrain. SAMP8…”
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