Selectivity for distortions and words in speech perception.
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Attention↗
Biomedical subjects
M Haggard
Publications and source records attributed to M Haggard.
Selectivity versus summation in multiple observation tasks: evidence with spectrum parameter noise in speech.
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Acoustic Stimulation↗
Prevalence of tympanogram asymmetries and fluctuations in otitis media with effusion: implications for binaural hearing.
It has been suggested that asymmetric or fluctuating hearing in otitis media with effusion (OME) could lead to abnormal binaural hearing. In a cohort of children with tympanogram data obtained at 3-monthly intervals from 2 to 4 years, 6.4% had asymmetric or unilateral B tympanograms on more than half the test occasions, or had 5 or more fluctuations between symmetric and asymmetric tympanograms. Hence there are sufficient cases for studies of sequelae or treatment in unilateral and fluctuating OME. Few of these cases would have received medical attention under a bilateral referral criterion.
Acoustic Impedance Tests↗
Binaural hearing in adults with histories of otitis media in childhood.
There is evidence that children with recent histories of otitis media (OM) have poorer binaural hearing than children with no such histories. In order to investigate whether these deficits persist into adulthood, young adults were selected for auditory testing on the basis of responses to a questionnaire on childhood OM. Binaural performance measures were obtained for the binaural masking level difference, binaural loudness summation and lateralisation of binaural clicks. Although subjects with OM histories reported more auditory disabilities in adulthood, there were no significant differences in binaural performance between OM history subjects and controls. It is suggested that binaural deficits resulting from OM do not usually persist into adulthood.
Adult↗