Applicability of the Test of Visual Perceptual Abilities (TVPA) in diagnosing learning disabilities in hearing-impaired children

This paper studies the validity of the Test of Visual Perceptual Abilities (TVPA) as an indicator of learning problems in hearing-impaired children and how it correlates with other measures of learning disabilities.

Perceptual aspects of a three-dimensional vowel space

This dissertation examines the auditory-perceptual theory of speech perception and the concept and validity of perceptual target zones for vowels.

Visual perceptual skills, reading ability and the young deaf child

This paper is a review of a study investigating the relationship between visual perceptual skills and reading abilities of young deaf children.

Perceptual correlates of spectral changes in complex tones

This paper reviews a study of tonal precepts such as pitch and timbre as a means of facilitating auditory discrimination tasks.

Reanalysis of perceptual confusion matrices

This paper presents a study reformatting and reanalyzing data collected in a 1955 study of the perception of sixteen different consonants in consonant-vowel combinations, by human listeners.

Perceptual validation of an acoustic metric for measuring vowel production by deaf children

This paper discusses a study to validate the metric developed in the Geers and Moog Cochlear Implant Study at CID to measure the speech production of hearing impaired children.