Chapter 4

What is the vestibular sense and what structure(s) allows it?

"Sense of balance" Provides information on body movement and position Semicircular canals provide info

Compare and contrast binocular and monocular cues

Binocular - both eyes Monocular - one eye

What gustatory sensation is an evolutionary survival advantage?

Bitter

What are the major parts of the eye?

Cornea (protects eye) iris (color) Pupil (black dot) Lens (focuses light Rey's) Retina Rods and cones

What are the major parts of the ear?

External ear: Auricle; External acoustic meatus. Middle ear: Tympanic cavity, its contents; Epitympanic recess. Inner ear: Bony labyrinth; Membranous labyrinth.

Why is our olfactory sense so important?

It lets us smell and smell leads to attraction

What classic experiment helps determine is depth perception is innate?

S.B. Blind

Compare and contrast sensation and perception

Sensation refers to the process of sensing our environment through touch, taste, sight, sound, and smell. This information is sent to our brains in raw form where perception comes into play. Perception is the way we interpret these sensations and therefore make sense of everything around us.

What are the smallest bones in the human body?

Stapes - middle ear Malleus Incus

How do pheromones affect human beings?

They increase sexual behaviors

Compare and contrast absolute and difference thresholds

absolute - smallest amount of a stimulus that an observer an reliably detect difference - noticeable differences

What do endorphins have to do with sensory adaptation?

endorphines are released in order to try and make the pain better

What are sound waves?

pressure changes in the atmosphere capable of being detected by auditory organs

What are sensory receptors?

sensory neurons or cells that are able to respond to environmental stimuli

What is sensory adaptation and why is it important?

when a constant stimulus is presented for a length of time, sensation often fades or dissapears