Term
|
Definition
THE ACTIVATION OF THE SENSORY ORGANS BY A SOURCE OF PHYSICAL ENERGY |
|
|
Term
|
Definition
THE SORTING OUT, INTERPRETATION, ANALYSIS, AND INTEGRATION OF STIMULI BY THE SENSE ORGANS AND BRAIN |
|
|
Term
|
Definition
PHYSICAL ENERGY THAT PRODUCES A RESPONSE IN A SENSE ORGAN |
|
|
Term
|
Definition
THE STUDY OF THE RELATIONSHIP BETWEEN THE PHYSICAL ASPECTS OF STIMULI AND OUR PSYCHOLOGICAL EXPERIENCE OF THEM |
|
|
Term
|
Definition
SMALLEST INTENSITY OF A STIMULUS THAT MUST BE PRESENT FOR IT TO BE DETECTED |
|
|
Term
|
Definition
BACKGROUND STIMULATION THAT INTERFERES WITH THE PERCEPTION OF OTHER STIMULI |
|
|
Term
|
Definition
THE SMALLEST LEVEL OF ADDED OR REDUCED STIMULATION REQUIRED TO SENSE THAT A CHANGE IN STIMULATION HAS OCCURRED |
|
|
Term
|
Definition
A BASIC LAW OF PSYCHOPHYSICS STATING THAT A JUST NOTICEABLE DIFFERENCE IS A CONSTANT PROPORTION TO THE INTENSITY OF AN INITIAL STIMULUS RATHER THAN A CONSTANT AMOUNT (1:50) |
|
|
Term
|
Definition
AN ADJUSTMENT IN SENSORY CAPACITY AFTER PROLONGED EXPOSURE TO UNCHANGING STIMULI |
|
|
Term
|
Definition
THE RANGE OF WAVELENGHTS THAT HUMANS ARE SENSITIVE TO |
|
|
Term
|
Definition
PHYSICAL ENERGY THAT STIMULATES THE EYE |
|
|
Term
|
Definition
A TRANSPARENTS, PROTECTIVE WINDOW; OUTERMOST PART OF THE EYE; REFRACTS LIGHT TO FOCUS SHARPLY |
|
|
Term
|
Definition
THE DARK HOLE IN THE CENTER OF THE IRIS; EXPANDS AND CONTRACTS TO LETIN MORE LIGHT AND BLOCK OUT UNNECCESSARY LIGHT |
|
|
Term
|
Definition
PROCESS OF THE LENS FOCUSING LIGHT BY CHANGING ITS OWN THICKNESS |
|
|
Term
|
Definition
| PART OF THE EYE THAT CONVERTS THE ELECCTROMAGNETIC ENERGY OF LIGHT TO ELECTRICAL IMPULSES FOR TRANSMISSION TO THE BRAIN |
|
|
Term
|
Definition
| THIN CYLINDRICAL RECEPTOR CELLS IN THE RETINA THAT ARE HIGHLY SENSITIVE TO LIGHT; CONTAIN RHODOPSIN |
|
|
Term
|
Definition
| CONE-SHAPED LIGHT-SENSITIVE RECEPTOR CELLS IN THE RETINA THAT ARE RESPONSIBLE FOR SHARP FOCUS AND COLOR PERCEPTION, PARTICULARLY IN BRIGHT LIGHT |
|
|
Term
|
Definition
| SEEING OBJECTS THAT ARE OUTSIDE THE MAIN CENTER OF FOCUS |
|
|
Term
|
Definition
| PHENOMENON OF ADJUSTING TO DIM LIGHT AFTER BEING IN BRIGHTER LIGHT; INVOLMENT OF RODS AND CONES |
|
|
Term
|
Definition
| OPPOSIT OF DARK ADAPTION; PROCESS OF EYES ADJUSTING TO BRIGHT LIGHT AFTER EXPOSURE TO DIM LIGHT; MUCH FASTER THAN DARK ADAPTION |
|
|
Term
|
Definition
| REDDISH-PURPLE SUBSTANCE CONTAINED IN RODS WHICH COMPOSITION CHANGES CHEMICALLY WHEN ENERGIZED BY LIGHT |
|
|
Term
|
Definition
| RECEIVE INFORMATION DIRECTLY FROM THE RODS AND CONES AND COMMUNICATE THAT INFORMATION TO THE GANGLION CELLS |
|
|
Term
|
Definition
| COLLECT AND SUMMARIZE VISUAL INFORMATION; INFO IS MOVED TO BACK OF EYE AND SENT THROUGH THE OPTIC NERVE |
|
|
Term
|
Definition
| BUNDLE OF GANGLION AXONS THAT CARRY VISUAL INFORMATION TO THE BRAIN; PASSES THROUGH RETINA; LACKS RODS AND CONES & IS CONSIDERED BLIND SPOT |
|
|
Term
|
Definition
| LOCATION WHERE OPTIC NERVES FROM EACH EYE MEET AT A POINT AND CROSS DIRECTLY BETWEEN THE EYES; THEY BOTH THEN SPLIT TO DIFFERENT HEMISPHERES OF THE BRAIN |
|
|
Term
|
Definition
| SECTION OF BRAIN THAT PROCESSES VISUAL IMAGES |
|
|
Term
(DAVID HUBEL & TORSTEN WIESEL)
FEATURE DETECTION |
|
Definition
| WON NOBEL PRIZE IN 1981 FOR FEATURE DETECTION; THE DISCOVERY THAT MANY NEURONS IN THE CORTEX ARE EXTRAORDINARILY SPECIALIZED AND ACTIVATED BY VISUAL STIMULI OF A CERTAIN SHAPE OR PATTERN |
|
|
Term
|
Definition
| PEOPLE CAN DISTINGUISH A MINIMUM OF 7 MILLION DIFFERENT COLORS |
|
|
Term
|
Definition
| ABILITY TO PERCEIVE COLOR IS LIMITED; 7% of men & .4% of women |
|
|
Term
| TRICHROMATIC THEORY OF COLOR VISION |
|
Definition
THEORY THAT THERE ARE THREE KINDS OF CONES IN THE RETINA, EACH OF WHICH RESPONDS PRIMARILY TO A SPECIFIC RANGE OF WAVELENGTHS
(THOMAS YOUNG & HERMANN VON HELMHOLTZ) |
|
|
Term
| OPPONENT-PROCESS THEORY OF COLOR VISION |
|
Definition
| (EWALD HERING) THE THEORY THAT RECEPTOR CELLS FOR COLOR ARE LINKED IN PAIRS, WORKING IN OPPOSITION TO EACH OTHER; EXPLAINS AFTERIMAGES |
|
|
Term
|
Definition
| MOVEMENT OF AIR MOLECULES BROUGHT ABOUT BY A SOURCE OF VIBRATION |
|
|
Term
|
Definition
| TUBELIKE PASSAGE LEADING FROM OUTER EAR TO EARDRUM |
|
|
Term
|
Definition
| PART OF EAR THAT VIBRATES WHEN SOUND HITS IT |
|
|
Term
|
Definition
| CHAMBER CONTAINING HAMMER, ANVIL, AND STIRRUP THAT TRANSMITS VIBRATIONS TO THE OVAL WINDOW |
|
|
Term
|
Definition
| THIN MEMBRANE LEADING TO INNER EAR |
|
|
Term
|
Definition
| PORTION OF EAR THAT CHANGES SOUND VIBRATIONS INTO A NEURAL IMPULSE SENT TO THE BRAIN |
|
|
Term
|
Definition
1.SOUNDWAVES ENTER THE AUDITORY CANAL
2. WAVES CAUSE EARDRUM TO VIBRATE
3. CONTINUE THROUGH MIDDLE EAR (HAMMER, ANVIL, STIRRUP) AND VIBRATIONS INTENSIFY
4.ENTER INNER EAR (COCHLEA)
5. BRUSH OVER BASILAR MEMBRANE CONTAINING HAIR CELLS
6. SENDS NEURAL IMPULSES TO BRAIN THROUGH AUDITORY NERVE |
|
|
Term
|
Definition
| NUMBER OF WAVE CYCLES THAT OCCUR IN A SECOND |
|
|
Term
| LOWEST FREQUENCY OF HUMAN HEARING |
|
Definition
|
|
Term
|
Definition
| THE THEORY THAT DIFFERENT AREAS OF THE BASILAR MEMBRANE RESPOND TO DIFFERENT FREQUENCIES |
|
|
