While there are many symptoms of depression, each of these symptoms can be caused by other things. Depression indicates a chemical imbalance which can be caused by stress, trauma, negative thinking and more
Your brain is the main control center of the body. You experience the world through your senses. When the sensory input reaches the brain it figures out what the information means, based on prior learning experiences, and what to do about it. For example, when you are driving and you see a yellow light, based on your prior experiences, your body sends the signals out to either slow down or speed up.
Sometimes it is helpful to relate your experiences to something else, in order to more clearly understand it. The movie, “Pinocchio,” can be used as a metaphor for addiction, Jiminy Cricket as their “sober selves” or conscience, and becoming a real boy without “strings” as ultimate recovery.