Gradually he pieced together a "blueprint" for normal cognitive development in children ... Piaget found four major developmental stages (with many subdivisions). For the first year and a half ...

This period is known as the concrete operational stage, which is the third stage in Piaget's theory of cognitive development.

Communication may also become limited. A person in final stages of dementia might respond only through simple gestures or brief phrases, if at all. Monitoring these signs can provide caregivers ...

At this stage, a person may not experience symptoms of OA, such as joint pain, stiffness, and reduced function. This phase is crucial for intervention because early changes may be reversible or ...