This article proposes a conceptual and measurement framework for postpubertal, L2 speech learning aptitude that is centered around domain-general auditory processing (i.e., representing spectral and temporal characteristics of sounds). To this end, we examine the construct and reliability of a battery of auditory processing tests by presenting the…

Purpose: The purposes of the current study were to examine the effect of age on Spanish-English bilinguals' speech recognition performance and to identify differences in speech recognition performance between Spanish and English bilinguals' 1st and 2nd languages. Method: Fifteen younger adult Spanish-English bilinguals, 15 older adult…

Diphthongs are double vowel sounds made by combining two vowels in the same syllable. During their articulation in the oral cavity, the first vowel sound glides onto the next vowel from one position of the mouth to another within the same syllable. That's why they are heard as single-vowel phonemes by listeners. Because of a gliding movement in…

The Auditory Discrimination in Depth (A.D.D.) Program suggests that there is a direct relationship between auditory discrimination or auditory perceptual ability and the development of competency in language and literacy skills. (Auditory perceptual ability is defined as the ability to discriminate individual phonemes and to track their changing…