Q: My client only produces [+Back] consonants K and G, and he sucks his thumb. His tongue is beginning to move for L. Do you think that the thumb sucking is keeping his tongue retracted? Tongue retraction can have many causes including an oral habit like thumb sucking. It also can be the result of oral-tactile hypersensitivity that is causing the tongue to pull back and high in a perpetual “high guard” position. It also is a problem when oral muscle…
Stimulating [+Anterior] Phonemes with a Thumb Sucking Habit
By Pam Marshalla