Chapter 3 Flashcards
Perceptual allusion
The miss perception of the true characteristics of an object or Image
Bottom up processing
Emphasizes importance of sensory receptors detects basic features of a stimulus in the process of recognizing a hole pattern data driven processing
Sensation
The detection and basic sensory experience of stimuli such as sound objects and odors
Top down processing
Emphasizes importance of observers knowledge expectations and other cognitive processes
Proprioceptors
Sensory receptors that provide information about body position and movement
Gate control theory of pain
Psychological and physiological factors that cause spinal gates to open and relay patterns of intense stimulation to the brain which perceives them as pain
Substance P
A neurotransmitter that is involved in the transmission of pain messages to the brain
Nociceptors
Specialized sensory receptors for pain that are found in the skin muscles and internal organs
Place Theory
The view that different frequencies cause larger vibrations at different locations along the basilar membrane
Frequency theory
The view that the basilar membrane vibrates at the same frequency as the soundwave
Webbers law
The principal stating just noticeable difference will vary depending on its relation to the original stimulus
Fovea
Point of highest visual activity codes are concentrated here
Ganglion cells
In the retina, the specialized neurons that connect to the bipolar so
Bipolar cells
Specialized neurons that connect the rods and cones with the ganglion sells
Optic Chiasm
Point in the brain where the optic nerve fibers from Each eye meet and partly cross over to the opposite side of the brain
