For this research, I contacted some occupational therapists who suggested a bibliography to start approaching the problem

Sensory integration according to Jean Ayres

Many times, for some people, their protective measures and their sensory defences are so important that they prevent them from reacting well to their environment, and may even go so far as to compromise their own development.

What is sensory integration?

The touch integration theory was developed in the 1960s in the United States by Jean Ayres, an ergo therapist and doctor of psychology and by his successors.

Zoom on the vestibular system

It is the sense of movement and balance

It allows us to know where our body is located in space, if we move or if it is our environment that moves. It informs us of the direction of movement of our body and its speed. The receivers are situated in inner hatred. All our movements are recorded, all the changes of a position of our head by movement and gravity. The functional role of the vestibular system is threefold: It is the starting point for vestibular-spinal reflexes that contribute to maintaining automatic postural balance, both static and dynamic. Regulates eye position and movement, through the vestibular-eye reflex to ensure the maintenance of eye stability in space. The construction of an internal model at the cortical level contributes to the contribution of the references in the position and the movement of the head in space.

Zoom on the proprioceptive system

It is the sense of position

It informs our brain about the location of the different parts of our body and what they are doing. Furthermore, our body constantly adapts to our environment without our being fully aware. The receptors are located in our muscles, tendons, ligaments ... Certain children misconceive their bodies. This lack of perception generates an annoyance at the level of motor control: from global motor planning, fine gestures. These children are also obliged to look to see what their body is doing to perform certain daily gestures: buttoning their coat, getting out of bed in the dark ... When a child has a poor proprioceptive system: It is clumsy, it falls, it hits. He trips over his feet when walking You have trouble going up or down the steps. It is difficult for him to dress, undress, wash "everywhere", he does not put himself well in his coat anymore. It is difficult to dose the movements.

Sensory stimulation every day: what actions?

You can also carry out a program of activities for sensory stimulation spread throughout the day and where the objective is to achieve and maintain an optimal level of sensory comfort and availability of learning via regulated and controlled stimulation. Tactile, proprioceptive and vestibular activities must be promoted throughout the day and try to integrate them into the daily routine. There are different techniques and modalities: pressure and massage, activities that induce movement, oral stimulations, biting tools, clothing, covers, proprioceptive games. In general, it's about building a consistent routine, minimizing unwanted stimulation as much as possible, and using relaxing strategies before starting tasks. It may be helpful to have a place of retreat or relaxation for the child to help him "focus" after stimulation activities.

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Sensory integration book

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Summary

More information

In the Clinic with Dr. A Jean Ayres| The Sensory Processing Disorder Foundation