S+P work 10/5

Which of the following defines proximity?

• grouping nearby figures

• grouping figures that are similar to each other

• percieving continuous patterns

• filling in gaps

What is absolute threshold?

• Minimum difference between two stimuli required for detection 50% of the time

• Minimum stimulation needed to detect a particular stimulus 50% of the time.

• When stimuli are below one’s absolute threshold for conscious awareness.

• observer decides whether she hears the tone or not, based on the signal being present or not.

Vision, hearing, and touch are what senses?

Long wavelengths are associated with _ frequency

short wavelengths are associated with _ frequencies

Tube in inner ear that has auditory receptors

• anvil

• retina

• chochlea

• eustachian tube

What is the pupil?

• point of central focus

• transparent, where light enters and flips

• opening in the iris

• white part of eye

_ aid in seeing color

Where are hairs located in the ear?

• tympanic membrane

• pinna

• ossicles

• basiler membrane

_ predicts that sensory receptors come in pairs as follows:

red-green

yellow-blue

black-white