Diseases, Conditions, Syndromes

What's the difference between autism and Asperger's disorder?

Swedish climate activist Greta Thunberg describes herself as having Asperger's while others on the autism spectrum, such as Australian comedian Hannah Gatsby, describe themselves as "autistic". But what's the difference?

Interaction

Interaction is a kind of action that occurs as two or more objects have an effect upon one another. The idea of a two-way effect is essential in the concept of interaction, as opposed to a one-way causal effect. A closely related term is interconnectivity, which deals with the interactions of interactions within systems: combinations of many simple interactions can lead to surprising emergent phenomena. Interaction has different tailored meanings in various sciences. All systems are related and interdependent. Every action has a consequence.

Casual examples of interaction outside of science include:

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