In the Speech Disorders Classification System, the 3 subtypes comprising Speech Delay share the same ...

In the Speech Disorders Classification System, the 3 subtypes comprising Speech Delay share the same ...

• A. proximal cause, that is, impaired phonological representations.
• B. distal cause, that is, genetic factors associated with speech, language and reading development.
• C. distal cause, that is, inadequate access to appropriate speech and language inputs.
• D. proximal cause, that is, neurodevelopmental factors associated with planning motor movements.

Answer: (A)

The main idea here is that the common thread tying these Speech Delay subtypes is an internal, phonological processing issue. Proximal causes are about what’s happening inside the child’s speech–language system, particularly the quality of phonological representations—the mental patterns for sounds and sound sequences. If these representations are impaired, the child struggles to map sounds to motor plans and to assemble accurate speech, leading to delay even when hearing, language exposure, and motor execution are typical. So, the shared proximal factor is impaired phonological representations. Distal factors, like genetic influences or inadequate external input, affect development from outside the internal phonological system and aren’t the shared mechanism for these subtypes. Similarly, a motor planning or neurodevelopmental motor factor would point toward a motor speech issue rather than a phonological representation problem.

The main idea here is that the common thread tying these Speech Delay subtypes is an internal, phonological processing issue. Proximal causes are about what’s happening inside the child’s speech–language system, particularly the quality of phonological representations—the mental patterns for sounds and sound sequences. If these representations are impaired, the child struggles to map sounds to motor plans and to assemble accurate speech, leading to delay even when hearing, language exposure, and motor execution are typical. So, the shared proximal factor is impaired phonological representations.

Distal factors, like genetic influences or inadequate external input, affect development from outside the internal phonological system and aren’t the shared mechanism for these subtypes. Similarly, a motor planning or neurodevelopmental motor factor would point toward a motor speech issue rather than a phonological representation problem.