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.
Not to be confused with naloxone or nalmexone. Naltrexone is a medication that stops the activity of opioids. It is used primarily in the management of alcohol dependence and opioid dependence. The closely related medication, methylnaltrexone, is used to treat opioid-induced constipation but does not treat addiction as it does not cross the blood brain barrier.