They are also unable to learn human speech, and no human is ever seen in the series as being able to understand their language.

The engram became most severely aberrative when the child finally learned speech.

Cognition primarily refers to memory, the ability to learn new information, speech, and reading comprehension.

The use of gestures paves the way for learning speech.

He'd learned good speech simply to make himself understood better.

No sign language is taught; students concentrate fully on learning speech.

Usually such a patient communicates by writing notes until he learns esophageal speech.

I brought in people who had learned esophageal speech.

Rest assured that talking "baby talk" won't prevent or delay your infant from learning adult speech later.

I have not had time to learn gentle speech under your rod, as you promised.