Piaget stages {Ans: Deal with quality of cognitions 1. Sensory-motor: object permanence 2. Preoporational: illogial, fantasy play, representational thought, egocentricism 3. Concrete-operational: logical, complex classification 4. Formal-operational: abstract and hypothetical thought}Displacement {Ans: Redirection of repressed motives and emotions from their original objects to substitute objects}Delusion {Ans: A false belief}Neurotransmitters {Ans: Released by synaptic vesicles and sent to receptor sites. ex. dopamine, serotonin, norepinephrine, endorphins, glutamate}Dissociative disorders {Ans: Some aspect of the personality seems separated from the rest}Dualism {Ans: 2 universes. Something else out there (supernatural, divine.) Doesn't follow natural laws.}