Perception - AP Psychology
- What is subliminal perception?
- Subliminal perception is the processing of information below the level of conscious awareness. Stimuli below conscious threshold still influence behavior.
- What is sensory adaptation?
- Sensory adaptation is the diminished sensitivity to unchanging stimuli. Prevents sensory overload from constant stimulation.
- What is the role of the auditory cortex in perception?
- The auditory cortex processes sound information from the ears. Transforms auditory signals into perceived sounds.
- Define size constancy.
- Size constancy is perceiving objects as having a constant size despite distance changes. Objects maintain perceived size regardless of viewing distance.
- How does expectation influence perception?
- Expectation shapes perception by influencing what we choose to focus on and interpret. Predictions direct attention and interpretation patterns.
- What is the cocktail party effect?
- The cocktail party effect is the ability to focus on a single conversation in a noisy environment. Selective attention filters competing auditory stimuli.
- What is the function of the visual cortex?
- The visual cortex processes visual information from the eyes. Interprets visual signals into meaningful images.
- Which Gestalt principle involves perceiving a series of points as a line?
- The principle of continuity. We perceive smooth, continuous paths rather than abrupt changes.
- What is the role of schemas in perception?
- Schemas organize and interpret information, influencing perception. Mental frameworks guide information processing and understanding.
- Identify the Gestalt principle of closure.
- Closure is the tendency to perceive incomplete figures as complete. The mind fills in missing parts to create whole forms.
- Identify the concept of signal detection theory.
- Signal detection theory explains how we discern between information-bearing patterns and random patterns. Measures ability to detect signals amid noise.
- What is shape constancy?
- Shape constancy is perceiving objects as having a constant shape despite angle changes. Objects appear same shape from different viewing angles.
- Identify an example of a perceptual set.
- A perceptual set is expecting to see a friend in a crowd and mistakenly identifying strangers as them. Mental expectations bias visual recognition processes.
- What is perception in psychology?
- Perception is the process of organizing and interpreting sensory information. It transforms raw sensory data into meaningful experiences.
- Identify the concept of selective attention.
- Selective attention is focusing on a particular stimulus while ignoring others. Concentrates mental resources on relevant information.
- What is the role of context in perception?
- Context influences how we perceive sensory information. Environmental factors modify sensory interpretation.
- What is the role of retinal disparity in depth perception?
- Retinal disparity provides depth cues from the difference between two eyes' images. Slightly different images from each eye create depth.
- What is the role of texture gradient in perception?
- Texture gradient is the detail loss with distance, aiding depth perception. Objects appear less detailed as distance increases.
- What is the difference between sensation and perception?
- Sensation is sensory input; perception is interpretation of that input. Sensation detects stimuli; perception gives them meaning.
- What is the role of the thalamus in perception?
- The thalamus relays sensory information to the cerebral cortex. Acts as sensory gateway to conscious awareness.
- What is change blindness?
- Change blindness is failing to notice changes in the environment. Attention limits prevent noticing environmental alterations.
- What is the Gestalt principle of proximity?
- Proximity is grouping objects close to each other as part of a group. Objects near each other are seen as belonging together.
- Identify the Ames Room illusion.
- Ames Room illusion distorts perception of size and shape due to irregular room design. Trapezoidal room creates false size perceptions.
- What is bottom-up processing?
- Bottom-up processing is perception starting from sensory input. Raw sensory data is processed without prior knowledge.
- What is top-down processing?
- Top-down processing is perception guided by higher-level mental processes. Prior knowledge and expectations shape interpretation.
- Identify an example of perceptual illusion.
- The Ponzo illusion, where converging lines make parallel lines appear different in size. Linear perspective creates false size comparisons.
- What is depth perception?
- Depth perception is the ability to perceive the world in three dimensions. It allows us to judge distance and spatial relationships.
- Define the monocular cue of interposition.
- Interposition is when one object overlaps another, perceived as closer. Overlapping objects signal depth relationships.
- Define the term 'perceptual adaptation.'
- Perceptual adaptation is the ability to adjust to an altered perceptual environment. Brain adjusts to distorted sensory inputs over time.
- What is the main focus of psychophysics?
- Psychophysics studies the relationships between physical stimuli and perceptual experience. Bridges physical world and psychological experience.
- What is the monocular cue of linear perspective?
- Parallel lines appear to converge with distance. Creates illusion of depth through vanishing points.
- Define inattentional blindness.
- Inattentional blindness is failing to see visible objects when attention is directed elsewhere. Focused attention creates blind spots to other stimuli.
- What is the role of attention in perception?
- Attention filters and prioritizes sensory information for perception. Determines which stimuli receive conscious processing.
- What is the law of Prägnanz in Gestalt psychology?
- It is the tendency to perceive the simplest form of a visual field. Gestalt principle favoring simple, organized patterns.
- Define feature detection in perception.
- Feature detection involves neurons responding to specific attributes of a visual stimulus. Specialized cells identify edges, lines, and angles.
- Define the Gestalt principle of similarity.
- Similarity is grouping objects that are similar in appearance. Items sharing characteristics are perceived as related.
- What is perceptual constancy?
- Perceptual constancy is perceiving objects as unchanging despite changes in sensory input. Maintains stable perception despite changing sensory conditions.
- What is the Müller-Lyer illusion?
- It is a visual illusion where lines of the same length appear different due to arrow-like ends. Arrow-like fins make equal lines appear unequal.
- Identify the binocular cue involving the inward angle of the eyes.
- Convergence. Eyes turn inward more for closer objects.