I laugh whenever is a dependent clause. This is because it can't stand alone, it wouldn't make since. My roommate tells a joke can stand by itself and make its own sentence. Therefore I laugh whenever is a dependent clause.
I hope this helps!
The changes in memory and personality occur in people with Alzheimer's disease is that they lose the ability to do common things that require basic mental processing. They could have great memory loss and personality or behavoir change.
Always check for understanding because if not you’ll get it will get it wrong.