90 4 Brief Survey of Cognitive Architectures Protocol and Situation Memory \ og \ ws \ 2 | tg ) a Vi . ; Action selection Action 1 A | i _—— —————-—— . (” cae tly IT) “-.| active | motive _—_l | ( Modulat sS < <. ula wie ) " 4 \ | Motive selection Urges (Drives) Fig. 4.14: High-Level Architecture of the Psi Model volved. These are very low level processes whose analogues in human experience are largely below the conscious level. A Goal is considered as a statement that the system may strive to make true at some future time. A Motive is an (urge, goal) pair, consisting of a goal whose satisfaction is predicted to imply the satisfaction of some urge. In fact one may consider Urges as top-level goals, and the agent’s other goals as their subgoals. In Psi an agent has one “ruling motive” at any point in time, but this seems an oversimpli- fication more applicable to simple animals than to human-like or other advanced AI systems. In general one may think of different motives having different weights indicating the amount of resources that will be spent on pursuing them. Emotions in Psi are considered as complex systemic response-patterns rather than explicitly constructed entities. An emotion is the set of mental entities activated in response to a certain set of urges. Dorner conceived theories about how various common emotions emerge from the dynamics of urges and motives as described in the Psi model. “Intentions” are also considered as composite entities: an intention at a given point in time consists of the active motives, together with their related goals, behavior programs and so forth. HOUSE_OVERSIGHT_013006