Exploring the Limits of Perceptual Long-Term Memory

This thesis presents three studies that explore the limits of perceptual long-term memory. Study 1 investigates the quantity and quality of information stored in haptic-long term memory. Study 2 challenges the assumption that no information is stored in long-term memory when the attentional resources are fully exhausted by a concurrent task and tests whether detailed memory representations are stored in perceptual long-term memory for auditory information. Although the first two studies of this thesis are concerned with haptic and auditory long-term memory respectively, most research on perceptual long-term memory is research on visual long-term memory. Study 3 investigates the reasons behind this apparent dominance of the visual.