SENSATION AND PERCEPTION

• Sensation - physical process. Stimulation of our sense organs.
• Perception - Psychological process; organizing and interpreting sensory experience.
• Absolute threshold - Lowest intensity level of a stimulus a person can detect half of the time.
• Difference Threshold - Just noticeable difference.
• A person can detect between two stimuli 50% at a time
• Signal Detection Theory - Weakest and strongest stimuli you are able to detect based on context
• Sensory Adaptation - Process which our sensitivity diminishes when an object constantly stimulates our senses.
• Transduction - Conversion of physical into neural information.
• Perceptual Set - A result of brain processing. How we are perceiving things.
• Gestalt - german word means “form”, “pattern”, or “shape’.
• Gestalt researchers - Max Wertheimer, Kurt Koffka, and Wolfgang Kohler.
• Closure - when a figure has a gap, one tends to see it as closed or complete.
• Proximity - group together that are close together
• Similarity - Group together those elements that are similar in appearance.
• Continuity - not to break the continuous flow of lines or design in one’s perceptional awareness
• Simplicity - tendency to perceive a pattern in the simplest way possible
• Visual Perception - depends on one’s physiological and psychological cues.
• Illusions - perception of appearance, a sound or other sensory experience that do not correspond to realties.
• Auditory Perception - interpretation of sound.
• Depth Perception - ability to perceive the world in three dimensions.
• Haptic Perception - hapne-sense of touch.
• Perception of Time - time can be perceived either longer or shorter.
• Render Visual-Motor Gestalt Test - psychological test used by mental health practitioners that assesses visual-motor functioning, developmental disorders, and neurological impairments in children ages 3 and older and adults.
• The five main senses are vision (eyes), hearing (ears), taste (tongue), smell (nose) and touch (skin).