____ attention is the ability to focus on relevant information while screening out information that is irrelevant

"The CIA is tracking me and planning on assassinating me in my sleep." Which symptom of schizophrenia is this?

a. Delusions of grandeur b. Paranoid delusions c. Delusions of persecution d. Visual hallucinations

Cooing in infancy refers to

A) strings of different speech sounds. B) repeated consonant–vowel combinations. C) vowel-like noises. D) strings of several identical sounds.