(of a stimulus or mental process) below the threshold of sensation or consciousness; perceived by or affecting someone's mind without their being aware of it.

Noticing a stimulus at least 50% of the time is which of the following?

The idea that the amount of change in a stimulus necessary to produce a noticeable difference is a constant proportion of the stimulus intensity is called

A researcher presents two lights of varying brightness to a subject who is asked to respond "same" or "different" by comparing their intensities. The researcher is seeking the

In one experiment, most of the participants who viewed a videotape of men tossing a basketball remained unaware of an umbrella-toting woman sauntering across the screen. This illustrated

The effect of prior experience and current expectations on perception best illustrates the importance of

Which theory emphasizes that personal expectations and motivations influence the level of absolute thresholds?

Alice is eating a piece of fruit. After a while, she notices that the fruit tastes less sweet and tangy than it did when she first bit into it. Alice is experiencing ____.

The cones of the eye help us see

You are at a party at a banquet hall.  Even though everyone around is talking, you can hear and understand the person you are having a conversation with.   It is as if you can block out all the other conversations.  Psychologists would call this ability: 

Which "structure" of the eye can only detect black, white and gray?

Process of converting a sensory input into a neural impulse; for vision this occurs in the retina

While eating at a restaurant, you fail to notice that the waiter that brings your food is different from the waiter that took your order