Template documentationStarting visibility: currently automatically selects itself toautocollapse
To set this template's starting visibility, the|state=parameter may be used:
|state=collapsed:{{Pervasive developmental disorders|state=collapsed}} to show the template collapsed, i.e., hidden apart from its title bar|state=expanded:{{Pervasive developmental disorders|state=expanded}} to show the template expanded, i.e., fully visible|state=autocollapse:{{Pervasive developmental disorders|state=autocollapse}}If the|state= parameter in the template on this page is not set, the template's starting visibility is taken from the|default= parameter in theCollapsible option template. For the template on this page, that currently evaluates toautocollapse.