Long-term recall of event sequences in infancy

Article Abstract:

Evidence supports the existence of long-lasting memory for briefly experienced happenings in infancy, with factors of recall resembling those in older children and adults. Experiments reveal that 11-month-olds can recall new causal event sequences from a short period of observational learning, can recollect most of the information after 24 hours and can recall the same events after 3 months. More individual actions than entire sequences were recalled, but many of the events were reproduced in entirety after the long delay. Forgetting was more rapid for arbitrary events.

Recollection (Psychology), Early memories, Recall (Memory)

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Working memory in infancy: six-month-olds' performance on two versions of the oculomotor delayed response task

Article Abstract:

Six-month-old infants were found to sustain information regarding stimulus locations in working memory for 3-5 seconds in experiments using two forms of an oculomotor delayed response (ODR) task, developed for research on monkeys. Maturity of areas of the prefrontal cortex is implied by the results for infants, suggesting that the ODR may involve brain mechanisms similar to those associated with more widely studied memory tasks. Eye movements were studied for delay periods of 600 to 5000 milliseconds.

Perceptual-motor processes, Eye, Short-term memory, Eye movements

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Egocentric action in early infancy: spatial frames of reference for saccades

Article Abstract:

Saccade planning is often controlled by egocentric representations in infants aged 6 months, while a simple retinocentric representation is used by infants aged 4 months. This could imply that the cortical circuitry for visual spatial processing is matured. Spatial-processing circuits in the cerebral cortex develop to foster the gradual development of mature saccade behavior. Thirteen 6-month-old infants and twelve 4-month-old infants were tested on the double-step saccade paradigm.

Infants, Visual perception, Infant development, Spatial behavior, Human spatial behavior, Visual perception in children, Childhood perception

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