Related Experiment Video
Updated: Jun 2, 2026
06:07
Exploring Infant Sensitivity to Visual Language using Eye Tracking and the Preferential Looking Paradigm
Published on: May 15, 2019
Two- to eight-month-old infants' perception of dynamic auditory-visual spatial colocation
J Gavin Bremner1, Alan M Slater, Scott P Johnson
1Psychology Department, Centre for Research in Human Development, Lancaster University, UK. j.g.bremner@lancaster.ac.uk
Child Development
|May 7, 2011
Summary
Newborns can link sounds to moving objects, but this ability develops with age. Early infant research shows 2-month-olds are sensitive to sound-sight mismatches, with 8-month-olds also developing this skill.
Area of Science:
- Developmental Psychology
- Cognitive Neuroscience
- Auditory Perception
Background:
- Infants associate sounds with static objects from birth.
- Limited research exists on infants' ability to link sounds with moving objects.
- Understanding cross-modal spatial processing in early development is crucial.
Purpose of the Study:
- To investigate infants' ability to process spatial colocation of dynamic sound-emitting objects.
- To determine age-related differences in sensitivity to dynamic audiovisual integration.
- To explore the development of intersensory perception in early infancy.
Main Methods:
- Four experiments were conducted with 2-, 5-, and 8-month-old infants.
- Habituation procedures were used to assess infants' detection of dynamic colocation.
- Looking time at test trials measured infants' response to sound-sight dislocation.
Main Results:
- No spontaneous sensitivity to dynamic colocation was observed in any age group.
- All age groups detected dynamic colocation during habituation.
- 2-month-olds showed clear sensitivity to sound-sight dislocation; 8-month-olds showed sensitivity after extended habituation.
Conclusions:
- Infants' ability to process dynamic audiovisual spatial colocation develops with age.
- Early development involves increasing specificity in processing multisensory information.
- Findings support the intersensory redundancy hypothesis regarding perceptual development.
Related Concept Videos
01:15Depth Perception and Spatial Vision
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
01:17Auditory Perception
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...
01:12Perceptual Constancy
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
01:21Perceiving Loudness, Pitch, and Location
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
01:01Perception of Sound Waves
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
01:21Gestalt Principles of Perception
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...