Gregory cries and his mother responds immediately. When he coos at his mother, she smiles and cuddles him. Developmentalists would say that this is an example of ________

What system of memory has the largest span and longest duration?

A) Flashbulb memory B) Long-term memory C) Sensory memory D) Short-term memory

The fact that, when we look at an object, each one of our two eyes receives a slightly different image of the object is known as __________

a) binocular disparity. b) binocular inversion. c) convergence. d) stereophonic vision.