Exam 4: A: Sensation and Perception

The amplitude of a wave corresponds to a sound's pitch-the higher the amplitude,the higher the pitch.

The intensity or brightness of light corresponds to the amplitude of the light wave.

When measuring absolute threshold,reliable detection is said to occur when a person can detect a signal 99 percent of the time.

The terms sensation and perception refer to the same processes and are interchangeable.

There are three basic types of cones in the retina,each of which responds maximally to a different wavelength.

Although humans have only about 1000 different types of receptors,we can detect about 10 000 different odours.

A sound coming from your left will reach your left ear faster and with more intensity than it will reach your right ear.Your brain can use these two facts to determine the location from which the sound is originating.

Despite extensive research,no effective treatment for the symptoms of phantom limb pain have been found.

Depth can be interpreted from a photograph using convergence as a cue.

Dark adaptation is the process by which visual receptors become increasingly sensitive to dim light.