Language Development across the Life Span: A Neuropsychological/Neuroimaging Perspective

Table 2

Acquisition of phonemes in Spanish (adapted from Bedore, [23]).

Phonemes	Age at which 50% produced the sound	Age at which 90% produced the sound
/p/, /b/, /t/	3 years	3.3 years
/m/, /n/, /k/	3 years	3.7 years
//	3 years	3.9 years
/l/	3.3 years	3.9 years
//	—	—
/f/	3 years	4.3 years
/t∫/	3 years	4.5 years
/d/, /g/	3.3 years	4.5 years
/r/	3.7 years	4.5 years
/x/	3.3 years	4.9 years
/ɲ/	3.7 years	4.9 years
/s/	3.3 years	5.5 years
/ɾ/	4.7 years	6 years

Note. The phoneme // is preserved in some areas of Spain and Latin America.