Eyes
What range of wavelength can humans perceive
400-700 nm
Amplitude tells us what about a sound
The loudness
parallel lines moving away from us appear to converge
Linear perspective (convergence)
Incoming physical energy must be converted into neural signals
Transduction
The process of information gathering is referred to as what?
Sensation
Why is the blind spot called the blind spot
There are no visual capabilities in this area due to no receptor cells being located there
Why does 500-5,000 Hz have double processing
Because it is the range of human speech
If one object partially obstructs the view of another, we perceive the one in front as closer
Interposition
If the volley principle could not occur, what is the loudest frequency people could hear
5,000 Hz
Condition where someone maintains some visual capabilities but has no visual awareness
Blindsight
If an object is close to you, what size will it appear on your retina
Larger
Hearing loss caused by damage to the hair cells or auditory nerve fibers
Nerve deafness
List the five monocular depth cues
perspective, clearness, overlapping, texture gradient, shadow
The process of focusing light waves from objects of different distances directly on the retina
Accommodation
we become adjusted to stimuli of the same intensity being repeatedly given
Sensory adaptation
Nearsightedness is dangerous because it can lead to increased risk of what 3 things
cataracts, glaucoma, and retinal detachment
demonstrates that the brain integrates(combines) visual and auditory information when processing spoken language
McGurk effect
The illusion of misapplication of geometrical figures in relation to retinal image size and the distance from us
Muller-Lyer illusion
an unchanging visual stimulus that leads to repeated alternations between two different perceptions
Bistable perception
A rare neurological condition where you will experience a cross-sensory experience where one stimuli will become automatically and involuntarily linked to another
Synesthesia
Opponent process theory says that cones function how?
In pairs; red-green, blue-yellow, white-black
The three bones of the ear are called what
What did Gestalt psychologists focus on
how the brain automatically organizes visual input into meaningful holistic objects
What part of the brain puts elementary features back together into a whole picture
Feature detector cells
What are the 4 choices for answers when testing signal detection theory
Hit, miss, false alarm, correct rejection