Perception Flashcards
Perception is best defined as:
A) The physical stimulation of sense organs
B) The process of organizing and interpreting sensory information
C) A reflexive motor response
D) The encoding of sensory stimuli into memory
Answer: B) The process of organizing and interpreting sensory information
Which part of the brain is most directly involved in visual perception?
A) Temporal lobe
B) Frontal lobe
C) Occipital lobe
D) Parietal lobe
Answer: C) Occipital lobe
The phenomenon where the brain fills in gaps in sensory input to create a complete perception is called:
A) Selective attention
B) Bottom-up processing
C) Top-down processing
D) Signal detection
Answer: C) Top-down processing
Depth perception primarily depends on:
A) Monocular cues only
B) Binocular cues only
C) Both monocular and binocular cues
D) Touch and proprioception
Answer: C) Both monocular and binocular cues
Which Gestalt principle explains why we perceive items close to each other as a group?
A) Similarity
B) Proximity
C) Continuity
D) Closure
Answer: B) Proximity
Sensory adaptation refers to:
A) Changes in the brain’s structure after experience
B) Increased sensitivity to constant stimuli
C) Decreased sensitivity to constant stimuli
D) The brain ignoring irrelevant information
Answer: C) Decreased sensitivity to constant stimuli
Which of the following is an example of a monocular cue for depth perception?
A) Retinal disparity
B) Convergence
C) Texture gradient
D) Binocular fusion
Answer: C) Texture gradient
The smallest amount of stimulation needed to detect a stimulus 50% of the time is called the:
A) Absolute threshold
B) Difference threshold
C) Subliminal perception
D) Sensory threshold
Answer: A) Absolute threshold
In signal detection theory, a “false alarm” occurs when:
A) A stimulus is present but not detected
B) No stimulus is present but the subject reports detecting one
C) A stimulus is present and correctly detected
D) No stimulus is present and no detection is reported
Answer: B) No stimulus is present but the subject reports detecting one
The process by which the brain interprets sensory information as meaningful patterns and objects is called:
A) Sensation
B) Transduction
C) Encoding
D) Perception
Answer: D) Perception
A young woman reports that certain sounds, like piano notes, make her see specific colors. She finds this pleasant and has experienced it since childhood.
Question: What is the most likely explanation?
A) Hallucination
B) Migraine aura
C) Synesthesia
D) Temporal lobe epilepsy
Answer: C) Synesthesia
A 55-year-old man presents after a stroke. He can see but consistently ignores objects on his left side, even when reminded.
Question: What condition is he most likely experiencing?
A) Prosopagnosia
B) Hemispatial neglect
C) Anosognosia
D) Visual agnosia
Answer: B) Hemispatial neglect
