PSYC 107 1nd Edition Lecture 15 Outline of Last LectureI. Biological DifferencesII. Sex vs GenderIII. Nurture of GenderIV. For The Test..Outline of Current LectureI. Sensation and PerceptionII. Sensory RealityIII. Sensing the WorldCurrent LectureI. Critical Thinking Exercisea. Rotating mask illusion – eye must take 2-dimensional information and convert to 2 dimensionalb. Prosopagnosia: face blindness – data form the occipital lobe is sent to the temporal love and is not interpreted ccorrectlyII. Psychophysicsa. The study of the relationship between a physical characteristic and what psychological experience coincides with themb. Example:i. Light is physical but the psychological word attached is brightness; sound to volume; pressure to weight; sugar to sweet.III. Thresholdsa. Absolute - the minimum amount of stimulus needed to detect a stimulus 50% of the time.b. Subliminal – when stimuli are below one’s threshold for conscious awarenessc. Vision: a candle 30 miles away d. Hearing: a ticking watch at 20 feet when quiete. Smell: a drop of perfume diffused across 3 roomsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.f. Taste: a teaspoon of sugar in 2 gallons of waterg. Touch: the wing of an insect falling on your neck from 1 centimeterh. When differences are just noticeable: two stimuli must differ by a minimum percentage rather than an amount IV. Visiona. Pulses of electromagnetic energy (sensation)b. Color (Perception)c. Light (measured in wavelengths)d. Physical Properties of Light:i. Hue (color) – the dimension of color determine by the wavelength of lightii. Wavelength – the distance from one peak to another peakiii. Intensity – amount of energy in a wave determined by the amplitude.iv. Related to perceived
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