SENSATION & PERCEPTION. SENSATION Sensation— Experience of sensory stimulation. That is, the basic experience of stimulation of the body’s senses: sight,

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Presentation transcript:

SENSATION & PERCEPTION

SENSATION Sensation— Experience of sensory stimulation. That is, the basic experience of stimulation of the body’s senses: sight, hearing, smell, taste, balance, touch & pain.

PERCEPTION Perception— Process of creating meaningful patterns from raw sensory information.

ABSOLUTE THRESHOLDS… Absolute Thresholds—the least amount of energy that can be detected as stimulation 50 % of the time. – Simply put: is the smallest amount of a stimulus that a person can detect – Taste—1 gram of table salt in 500 liters of water – Smell—One drop of perfume diffused throughout a three-room apartment – Touch—The wing of a bee falling on your cheek from a height of 2 centimeters – Hearing—The tick of a watch from 20 feet away in quiet conditions – Vision— A candle flame seen from 30 miles on a clear, dark night.

PERCEPTUAL CONSISTENCY… Perceptual Consistency— The percentage of times that repeated raw sensory information is processed just as it was before.

How Perceptive Are YOU? Count the Basketball Passes… ml

UNINTENTIONAL BLINDNESS… Unintentional Blindness: occurs when a person fails to notice something that is in plain sight. This stimulus is usually unexpected but fully visible. Example: The gorilla experiment