Is Procrastination a Form of Impulsivity?

Some would argue that procrastination is a form of impulsivity. In the marshmallow task, you're supposed to not do anything now so that you can have two marshmallows later. It's really the same challenge: Are you going to put your future self first or are you going to privilege your present self? The escape patch from that spinning of your psyche is in some cases, letting go of the thing altogether.