PubMed Health⌕ Search

SEARCH · PubMed Health

Results for “Auditory Perception”

Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 235 records · Page 13Linked to original sources
PubMed1982

Comparison of English and French versions of a dichotic auditory perception test (SSW) on normal bilingual subjects.

Young adult, normal-hearing, Canadian-French Ss (5 M, 5 F) from Montreal were matched for sex, age, and education with 10 Canadian-English Ss. Each S self-rated his receptive and expressive abilities in his non-native language. Then, all were given a new French and a standard English version of the SSW test. After controlling for second-language ability as a covariate, ANOVA showed performance significantly worse in the second language and in the dichotic condition. French Ss performed better on the non-dichotic condition of the English SSW than did English Ss on the French version. This study suggests that the new Canadian-French version of the SSW test is comparable in difficulty to the original English EC tape, but cautions against clinical use of SSW tasks with second-language Ss.

Adult↗
PubMed2000

Functional brain imaging of tinnitus-like perception induced by aversive auditory stimuli.

Tinnitus is an aversive auditory percept of unknown origin. We tested the speculation that tinnitus may share neuronal processing mechanisms with aversive auditory percepts of known origin. This study revealed the functional neuroanatomy of the perception of aversive auditory stimuli. The stimuli were presented to 12 healthy volunteers so as to mimic the psychoacoustical features of tinnitus and its affective response in tinnitus sufferers. The regional cerebral blood flow distribution was measured by PET during four auditory processing conditions and one control condition. The aversive auditory stimuli activated primary and secondary auditory areas bilaterally, dorsolateral prefrontal attention areas, and structures in the limbic system which subserve emotional processing. Based on these results and findings from other functional neuroimages of tinnitus, we hypothesize that the perception of tinnitus may involve the functional linkage of these brain areas: secondary auditory cortex, dorsolateral prefrontal cortex, and limbic system.

Acoustic Stimulation↗
PubMed1983

Delayed auditory tone perception in multiple sclerosis.

Delays of auditory perception at three frequencies were measured in 30 multiple sclerosis patients using a psychophysical technique. Nineteen patients had abnormal delays at one or more tone frequencies, though 15 had normal audiograms at those frequencies. In addition, auditory acuity for left-right asynchrony was abnormally poor in 13 patients, 9 of whom had normal audiograms. Such delays of auditory perception within a restricted frequency band may provide a partial explanation for degraded speech comprehension in some multiple sclerosis patients.

Adult↗
PubMed1992

Time-shrinking: a discontinuity in the perception of auditory temporal patterns.

Recent research at our laboratories in the field of human auditory time perception revealed that the duration of short empty time intervals (less than approximately 200 msec) is considerably underestimated if they are immediately preceded by shorter time intervals. Within a certain range, the amount of subjective time shrinking is a monotonous function of the preceding time interval; the shorter it is, the more it shrinks its successor. In the present study, the preceding interval was kept constant at 50 msec, and the following interval, for which the duration had to be judged, varied from 40 to 280 msec. The results showed that at up to 100 msec, the perceived duration increased to a much lesser extent than did the objective duration. Beyond 120 msec, the perceived duration quickly increased and reached a veridical value at 160 msec. Such a sudden change of perceived duration in a temporal pattern in which the objective duration varies gradually indicates a typical example of categorical perception. We suggest that such a categorization of the time dimension might be a clue for processes of speech and music perception.

Attention↗
PubMed1982

Echoic storage in infant perception.

Preperceptual auditory of "echoic" storage was investigated in 8-9 week-old infants using a modification of an adult masking paradigm and a nonnutritive sucking discrimination procedure. Experiment 1 provided validation of a new version of the nonnutritive sucking procedure using the standard stimulus contrast [ba] versus [pa]. In experiment 2, infants were presented with repeating pairs of brief vowels with a stimulus onset asynchrony (SOA) of 50 msec for each pair. Within each series, the first vowel in a pair changed (backward masking), the second vowel changed (forward masking), or neither vowel changed (control). Discrimination of the changed occurred in the forward- but not in the backward-masking condition. In experiment 3, discrimination occurred in a backward-masking condition with an SOA of 400 msec, but not with an SOA of 250 msec or in a control condition. In conjunction with the adult literature, these results suggest that echoic storage contributes to auditory perception in infancy, as in adulthood, but that the useful lifetime of an echoic trace may be longer in infancy.

Auditory Perception↗
PubMed1986

[Neurophysiologic correlates in rhythm perception: early auditory evoked potential responses as indicators of a rhythm detection system].

The results of this experimental study on human subjects indicate that the "far-field recorded auditory evoked wave VI potential" is correlated with auditory information processing of "rhythms" ("rhythm recognition", "rhythm experience"). Topography and functional mechanisms of a "neuronal system for rhythm detection" which is a prerequisite of "rhythmic experience" are discussed. The results cannot be interpreted as motor or attention effects.

Acoustic Stimulation↗
PubMed1980

Phonetic categorization in auditory word perception.

To investigate the interaction in speech perception of auditory information and lexical knowledge (in particular, knowledge of which phonetic sequences are words), acoustic continua varying in voice onset time were constructed so that for each acoustic continuum, one of the two possible phonetic categorizations made a word and the other did not. For example, one continuum ranged between the word dash and the nonword tash; another used the nonword dask and the word task. In two experiments, subjects showed a significant lexical effect--that is, a tendency to make phonetic categorizations that make words. This lexical effect was greater at the phoneme boundary (where auditory information is ambiguous) than at the ends of the condinua. Hence the lexical effect must arise at a stage of processing sensitive to both lexical knowledge and auditory information.

Discrimination Learning↗
PubMed1987

Verbal, perceptual and intellectual factors associated with reading achievement in adolescents with cerebral palsy.

31 adolescents with cerebral palsy were administered measures of verbal production, speech perception, nonverbal auditory perception, visuospatial perception and verbal intelligence as well as measures of reading recognition and reading comprehension. Nonverbal auditory perception and verbal intelligence were most highly correlated with both reading measures despite the fact that most subjects were most severely impaired in visuospatial perception.

Achievement↗
PubMed2005

Perception of auditory movement in children with poor listening skills: an ERP study.

Long-latency ERP components were examined for scalp activation differences in children with poor and good listening skills in response to auditory movement created by IIDs. Eighteen children were grouped based on a parent questionnaire (CHAPS; Smoski et al, 1998) and clinical evaluation by a licensed audiologist. Obligatory cortical responses were recorded to an auditory movement and an auditory control task. Results showed greatest activation at fronto-central electrode sites. P1, N1, and P2 showed no significant effects. Significant differences in N2 amplitude and latency were present between groups at the lateral electrode sites (FC3, FC4) in the auditory movement but not in the auditory control task. More specifically, good listeners exhibited predominance of activation over the right hemisphere for left-moving sounds, whereas the poor listeners exhibited symmetric activation. These results suggest that abnormal hemispheric activation may be one of the reasons behind poor listening skills observed in some school-aged children.

Acoustic Stimulation↗