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Massage accelerates brain development and the maturation of visual function.

Andrea Guzzetta¹, Sara Baldini, Ada Bancale

¹Department of Developmental Neuroscience, Istituto di Ricovero e Cura a Carattere Scientifico Stella Maris, I-56128 Calambrone, Pisa, Italy.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience

|May 8, 2009

Summary

This summary is machine-generated.

Infant massage accelerates brain and visual development by increasing Insulin-like Growth Factor-1 (IGF-1). This study shows massage benefits preterm infants and rat pups, mediated by IGF-1.

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Area of Science:

Neuroscience
Developmental Biology
Pediatrics

Background:

Environmental enrichment (EE) accelerates rodent brain development.
Maternal care, especially tactile stimulation, is a key component of EE.
The study investigates if body massage can accelerate infant brain development.

Purpose of the Study:

To explore the effects of body massage on preterm infants' brain development.
To investigate the role of Insulin-like Growth Factor-1 (IGF-1) in massage-induced developmental acceleration.
To examine if massage effects on brain development are conserved across species (infants and rat pups).

Main Methods:

Preterm infants received body massage interventions.
Electroencephalographic (EEG) activity and visual function (visual acuity) were assessed.
IGF-1 levels were measured in infants' blood and rat pups' cortex.
IGF-1's role was tested in rat pups using an IGF-1 antagonist (JB1).

Main Results:

Massage significantly accelerated the maturation of EEG activity and visual function in preterm infants.
Massaged infants exhibited higher blood IGF-1 levels.
Massage also accelerated visual function maturation in rat pups and increased cortical IGF-1.
Blocking IGF-1 action with JB1 negated the positive effects of massage in rat pups.

Conclusions:

Body massage positively influences brain development, particularly visual development, in infants.
The findings suggest that IGF-1 is a key mediator of massage's developmental effects.
Massage therapy may be a beneficial intervention for promoting infant neurodevelopment, especially in preterm infants.