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PSYCH TEST 2 - Sensation: what you see, feel, physically,...

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Sensation: what you see, feel, physically, ActuallyPerception: what it means to you/ how you interpret itAbsolutethreshold= min amount of stimulus energy that must be present for it to be detected 50% of the time. Whenstimulus reaches physiological threshold when its strong enough to excite sensory receptors.DifferenceThreshold= (just noticeable difference) smallest amount that two sensory stimuli can differ in order for anindividual to perceive them as different.Perception= the way info is organized, interpreted, and experienced (top-down, bottom up) so you need to be payingattention and have motivationSensoryadaptation= reduces awareness to constant stimuli (you stop smelling the bad smell after a while even tho itsstill there)WAVEAmplitude=Distance from top of crest to bottom of troughWavelength= length of wave from one peak to other peakFrequency=number of waves that pass a point at a time period expressed asHertz (Hz)cycles per secondLight waves=Visible spectrum, electromagnetic, ROYGBIVSound waves=PITCH= frequency of a sound wave and our perceptionHigh frequency= high pitchLow frequency= low pitchAudible range of frequency= 20-20,000 Hz (MOST SENSITIVE TO THE MIDDLE RANGE)Higher amplitude= louder soundDecibels(dB)= measuring loudness of sound- logarithmic unit of sound intensityTimbre=Sounds purity- The amplitude of light waves is associated with our experience of brightness or intensity of color, with larger amplitudesappearing brighter.-physical properties of sound waves are associated with various aspects of our perception of sound. The frequency of a

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