Psychology Unit 3 Flashcards
What is Subliminal Stimuli
Stimuli not detectable 50% of the time. Below absolute Threshold.
What is inattentional blindness?
Failing to see visible objects when our attention is directed elsewhere.
Change Blindness
Failing to notice changes in visual environment
What is Bottom-Up processing?
Letting our senses alone determining our reaction to stimuli.
What is Top-Down processing?
Letting past experiences, bias, or other opinions determining reaction to stimuli.
What is transduction?
The process of converting a certain form of energy into neural impulses that our brain can interpret.
Absolute Threshold
The minimum stimulation needed to detect a particular stimulus.
Difference Threshold
The minimum difference between two stimuli required for detection.
What is our perceptual set.
A set of mental tendencies and assumptions that affects, top-down processing.
What can affect our perceptual set?
Context, Motives, and Emotion
What does Extrasensory Perception (ESP) claim?
Perception can occur apart from sensory input; including telepathy, precognition, etc.
Parapsychology is the study of what?
The study of paranormal phenomena, such as ESP and psychokinesis
Skeptics argue that in order to believe in ESP you must also believe that the brain is?
Capable of perceiving without sensory input
Relative Motion
As we move, objects that are actually stable may appear to move
Interposition
If one object partially blocks out the view of another, we perceive it as closer