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Habituation produces frequency-specific plasticity of receptive fields in the auditory cortex

by Cheryl D. Condon, Norman M. Weinberger - Behav. Neurosci , 1991
"... Associative learning produces conditioned stimulus (CS)-specific plasticity of frequency recep-tive fields (RFs) in the auditory cortex; responses to the CS frequency are increased, whereas responses to other frequencies are decreased. This study determined the effects of habituation on the RF of ne ..."
Abstract - Cited by 23 (3 self) - Add to MetaCart
than 0.125 octave). This RF plasticity involves an initial decrease in response during REP but does not require attenuated responses at the end of REP. Incubation (i.e., development over time after cessation of REP) and long-term frequency-specific effects are evident. Thus, habituation i duces a

Synthesizing Natural Textures

by Michael Ashikhmin - In ACM Symposium on Interactive 3D Graphics
"... We present a simple texture synthesis algorithm that is well-suited for a specific class of naturally occurring textures. This class includes quasi-repeating patterns consisting of small objects of familiar but irregular size, such as flower fields, pebbles, forest undergrowth, bushes and tree branc ..."
Abstract - Cited by 312 (1 self) - Add to MetaCart
branches. The algorithm starts from a sample image and generates a new image of arbitrary size the appearance of which is similar to that of the original image. This new image does not change the basic spatial frequencies the original image; instead it creates an image that is a visually similar

Realized Variance and Market Microstructure Noise

by Peter R. Hansen, Asger Lunde , 2005
"... We study market microstructure noise in high-frequency data and analyze its implications for the real-ized variance (RV) under a general specification for the noise. We show that kernel-based estimators can unearth important characteristics of market microstructure noise and that a simple kernel-bas ..."
Abstract - Cited by 263 (13 self) - Add to MetaCart
We study market microstructure noise in high-frequency data and analyze its implications for the real-ized variance (RV) under a general specification for the noise. We show that kernel-based estimators can unearth important characteristics of market microstructure noise and that a simple kernel

Abnormal auditory experience induces frequency-specific adjustments in unit tuning for binaural localization cues in the optic tectum of juvenile owls

by Joshua I. Gold, Eric I. Knudsen - J. Neurosci , 2000
"... Early auditory experience shapes the auditory spatial tuning of neurons in the barn owl’s optic tectum in a frequency-dependent manner. We examined the basis for this adaptive plasticity in terms of changes in tuning for frequency-specific interaural time differences (ITDs) and level differences (IL ..."
Abstract - Cited by 4 (0 self) - Add to MetaCart
Early auditory experience shapes the auditory spatial tuning of neurons in the barn owl’s optic tectum in a frequency-dependent manner. We examined the basis for this adaptive plasticity in terms of changes in tuning for frequency-specific interaural time differences (ITDs) and level differences

Original Article Frequency-Specific Hearing Results After Surgery for Chronic Ear Diseases

by Hyeog-gi Choi, Md·dong Hee Lee, Md·ki Hong Chang, Md·sang Won Yeo, Md·sung Hyun Yoon, Beom Cho Jun
"... Objectives. To analyze frequency-specific hearing results after surgery for chronic ear diseases while considering pathological findings and various surgical factors. Methods. Patients who underwent surgical management of chronic otitis media were reviewed retrospectively (n=559). Using pure tone au ..."
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audiometry, air conduction (AC), bone conduction (BC), and air bone gap (ABG) change between pre- and post-operative tests were calculated for the frequencies of 250, 500, 1,000, 2,000, 3,000, 4,000 (AC and BC), and 6,000 Hz (AC). Frequency-specific results were investigated, considering various surgical

A neural mass model for MEG/EEG: coupling and neuronal dynamics

by Olivier David, Karl J. Friston - NeuroImage , 2003
"... Although MEG/EEG signals are highly variable, systematic changes in distinct frequency bands are commonly encountered. These frequency-specific changes represent robust neural correlates of cognitive or perceptual processes (for example, alpha rhythms emerge on closing the eyes). However, their func ..."
Abstract - Cited by 81 (21 self) - Add to MetaCart
Although MEG/EEG signals are highly variable, systematic changes in distinct frequency bands are commonly encountered. These frequency-specific changes represent robust neural correlates of cognitive or perceptual processes (for example, alpha rhythms emerge on closing the eyes). However

Directed cortical information flow during human object recognition: analyzing induced EEG gammaband responses in brain’s source space

by Alois Schlögl, Nelson Trujillo-barreto, Matthias M. Müller, Thomas Gruber - PLoS ONE , 2007
"... The increase of induced gamma-band responses (iGBRs; oscillations.30 Hz) elicited by familiar (meaningful) objects is well established in electroencephalogram (EEG) research. This frequency-specific change at distinct locations is thought to indicate the dynamic formation of local neuronal assemblie ..."
Abstract - Cited by 20 (1 self) - Add to MetaCart
The increase of induced gamma-band responses (iGBRs; oscillations.30 Hz) elicited by familiar (meaningful) objects is well established in electroencephalogram (EEG) research. This frequency-specific change at distinct locations is thought to indicate the dynamic formation of local neuronal

Dynamic Reconfiguration of the Language Network Preceding Onset of Speech in Picture Naming

by Jan Kujala, Claire Stevenson, Riitta Salmelin
"... r r Abstract: Language production is a complex neural process that requires the interplay between multi-ple specialized cortical regions. We investigated modulations in large-scale cortical networks underly-ing preparation for speech production by contrasting cortico-cortical coherence for overt and ..."
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and silent picture naming in an all-to-all connectivity analysis. To capture transient, frequency-specific changes in functional connectivity we analyzed the magnetoencephalography data in two consecutive 300-ms time windows. Within the first 300 ms following picture onset beta frequency coherence

Long-Term Effects of Acoustic Trauma on Electrically Evoked Otoacoustic Emission

by unknown authors
"... Electrically evoked otoacoustic emissions (EEOAEs) are sounds measured in the ear canal when alternat-ing current (AC) stimulation is passed into the cochlea. These sounds are attributed to the motile responses of outer hair cells (OHCs). The EEOAE has characteristic amplitude, phase, and fine struc ..."
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and the cochlear whole-nerve action potential (CAP) in animals chronically implanted with a scala tympani electrode. Noise exposures that produced permanent (PTS) or temporary threshold shifts (TTS) were associated with frequency-specific changes in CAP thresholds, EEOAE fine structure, and reductions

Mesoscale disturbance and ecological response to decadal climatic variability in the American southwest

by Thomas W. Swetnam, Julio L. Betancourt - Journal of Climate , 1998
"... Ecological responses to climatic variability in the Southwest include regionally synchronized fires, insect outbreaks, and pulses in tree demography (births and deaths). Multicentury, tree-ring reconstructions of drought, disturbance history, and tree demography reveal climatic effects across scales ..."
Abstract - Cited by 204 (9 self) - Add to MetaCart
in the frequency or amplitude of the Southern Oscillation (SO) during the past three centuries. High interannual, fire–climate correlations (r 5 0.7 to 0.9) during specific decades (i.e., circa 1740–80 and 1830– 60) reflect periods of high amplitude in the SO and rapid switching from extreme wet to dry years
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