Terms : Hide Images
| 242559243 | place theory | links the pitch we hear with the place where the cochlea membrane is stimulated | |
| 242559244 | frequency theory | rate of nerve impulses traveling up the auditory nerve matches the frequency of the tone | |
| 242559245 | hair cells | line the basilar emebrane, trigger impulse to adjacent nerve fibers | |
| 242559246 | auditory nerve | carry sound to auditory cortex | |
| 242559247 | basilar membrane | lined with hair cells virtations in oval window cause ripples here | |
| 242559248 | oval window | cochlea's membrane | |
| 242559249 | cochlea | in the inner ear sound waves trigger nerve impulses | |
| 242559250 | hammer anvil stirrup | parts the piston | |
| 242559251 | eardrum | tight membrane that virbrates with sound waves | |
| 242559252 | inner ear | inner most part of the ear contains cochlea, semicircular canals and vesibular sacs | |
| 242559253 | middle ear | transmits eardrum vibrations through a piston to the inner ear | |
| 242559254 | outer ear | visible part channels sound waves to the eardrum | |
| 242559255 | pitch | tones highness or lowness | |
| 242559256 | frequency | number of wave lengths that pass a given point at a given time | |
| 242559257 | loudness | determinded by the strength and amplitude of a wavelength | |
| 242559258 | soundwaves | jostiling molecules in the air | |
| 242559259 | auditions | sense of hearing | |
| 242559260 | Ewald Hering | found two additional color process theroies: 1. after image 2. opponent color | |
| 242559261 | after image | responsible for red vs. green perceptions | |
| 242559262 | additive color mixing | adds wave lengths and increases light | |
| 242559263 | subtractive color mixing | subracts wave lenghts from reflected light | |
| 242559264 | sightunseen | brains two visual system: 1. conscious perception 2. guiding our actions | |
| 242559265 | blind sight | blindness in part of a persons visual field due to surgery or stroke | |
| 242559266 | dilate | expand | |
| 242559267 | acuity | sharpness of vision | |
| 242559268 | accommodation | lens changes shape to focus near or far objects on retina | |
| 242559269 | blind spot | spot where optic nerve leaves the eye no receptor cells | |
| 242559270 | intensity | amount of energy in its light wave | |
| 242559271 | hue | color we experience | |
| 242559272 | wavelength | difference between one wave peak to the next | |
| 242559273 | electromagnetic spectrum | ranges from inperceptibly short waves of gamma rays- to what we can see- to long waves of radio transmissions | |
| 242559274 | sensory transduction | sensory systems convery stimulus energy into neural messages | |
| 242559275 | psychophysics | study of how physical energy relates to our psychological experience | |
| 242559276 | prosopagnosia | unable to recognize faces due to losing an essential area in the temporal love | |
| 242559277 | conduction hearing loss | caused by mechanical problems in the process that conducts sound waves to the cochlea | |
| 242559278 | sensorieneural hearing loss | caused by damage to the cochlea's hair reptors or associated nerves- sometimes cause by disease | |
| 242559279 | touch taste smell | other senses | |
| 246957084 | sensation | the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment | |
| 246957085 | perception | the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events | |
| 246957086 | bottom-up processing | analysis that begins with the sensory receptors and works up to the brain's integration of sensory information | |
| 246957087 | top-down processing | info processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations | |
| 246957088 | absolute threshold | the lowest level of stimulation that a person can detect | |
| 246957089 | signal detection theory | A theory predicting how and when we detect the presence of a faint stimulus amid background noise | |
| 246957090 | subliminal stimulation | below one's absolute threshold for conscious awareness | |
| 246957091 | difference threshold | the smallest change in stimulation that a person can detect | |
| 246957092 | jnd | just noticeable difference | |
| 246957093 | Ernst Weber | (perception) weber's law-just noticeable difference threshold | |
| 246957094 | Webers Law | to be perceived as noticeable or different, 2 stimuli must differ by constant percentage | |
| 246957095 | sensory adaptation | diminished sensitivity as a consequence of constant stimulation | |
| 246957096 | sensory transduction | Conversion of a chemical or physical stimuli into an electrical signal by sensory receptors | |
| 246957097 | pupil | the adjustable opening in the center of the eye through which light enters | |
| 246957098 | iris | muscular diaphragm that controls the size of the pupil | |
| 246957099 | lens | a transparent optical device used to converge or diverge transmitted light and to form images | |
| 246957100 | retina | the light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information | |
| 246957101 | cornea | the transparent outer covering of the eye | |
| 246957102 | fovea | area consisting of a small depression in the retina containing cones and where vision is most acute | |
| 246957103 | optic nerve | the nerve that carries neural impulses from the eye to the brain | |
| 246957104 | rods | retinal receptors that detect black, white, and gray; necessary for peripheral and twilight vision, when cones don't respond | |
| 246957105 | cones | Specialized visual receptors that play a key role in daylight vision and color vision. | |
| 246957106 | nearsightedness | see near objects clearly | |
| 246957107 | farsightedness | see far away objects clearly | |
| 246957108 | Leonardo da Vinci | drawings are considered the first accurate portrayals of perspective and human anatomy | |
| 246957109 | Johannes Kepler | discovered that the paths of the planets around the sun are elliptical rather that circular | |
| 246957110 | bipolar cells | specialized cells which connect rods and cones to the ganglion cells of the optic nerve | |
| 246957111 | ganglion cells | connect the bipolar cells to the brain | |
| 246957112 | optic chasm | crossing of the optic nerve from the two eyes at the base of the brain | |
| 246957113 | occipital lobe | visual field | |
| 246957114 | David Hubel | United States neuroscientist noted for his studies of the neural basis of vision (born in 1926) | |
| 246957115 | parallel processing | brains ability to multitask | |
| 246957116 | Thomas Young | showed that light, like waves, could be diffracted | |
| 246957117 | Hermann von Helmholtz | Trichromatic Theory of Color Vision | |
| 246957118 | opponent process theory | the theory that opposing retinal processes enable color vision | |
| 246957119 | color constancy | the tendency for a color to look the same under widely different viewing conditions | |
| 246957120 | temporal lobe | auditory field | |
| 246957121 | volley principle | hearing cells may alternate their firing to match a sound's frequency (for higher pitches) | |
| 246957122 | stereophonic hearing | localizes sound source (due to 2 ears) |
