Causality in the Intentionality Model is in the agency of the child. It is the child who perceives, who apprehends, who constructs the intentional state, who acts to express it, and who interprets what others do (including what they say) to construct a new intentional state.
Nortriptyline, sold under the brand names Allegron, Aventyl, Noritren, Nortrilen, and Pamelor among others, is a tricyclic antidepressant (TCA) used to treat clinical depression. Another licensed use for it is in the treatment of childhood bedwetting. Off-label uses include chronic pain and migraine and labile affect in some neurological disorders.
Oleptro. Available by prescription, Oleptro is a drug licensed to treat depression. Although it is not exactly known how the medication works, it is thought to balance serotonin levels in the brain and block certain serotonin receptors. This long-acting antidepressant comes in tablet form and is taken only once a day.