Study: NCT04607616

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Baseline sessions TAU
Description: TAU consists of sessions lasting around one/one and a half hour ; the consultant is practicing as usual. The interventions focus on child's behavior, parent infant relationship, with moments of play with the child, advices, informations about child development and Autism.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Interactive guidance therapy
Description: The objective is to reinforce the identification, deciphering, interpretation, and answer to child's signals by the parent, in order to to promote a synchronous and attuned response to the child's needs.~Sessions last around one/one and a half hour. Parent plays 7-10 minutes with the child, in the presence of the therapist, with toys chosen according to the child's developmental stage. Then therapist proposes an immediate viewing of the play session. The therapist selects short moments of positive interaction. He has determined a  focus , depending on the play, previous sessions, the child's difficulties and parent's interventions. He accompanies, guides and supports the parent to describe the interaction, the alternance in play, joint attention, shared affect, in a co-construction: the parent discovers the child's and his own skills.