The "limbic unit" generates the orienting reflex, among its other tasks. It is the orienting reflex, which manifests itself in emotion, thought and behavior, that is at the core of the fundamental human response to the novel or unknown. This reflex takes a biologically determined course, ancient in nature, primordial as hunger or thirst, basic as sexuality, extant similarly in the animal kingdom, far down the chain of organic being. The orienting reflex is the general instinctual reaction to the category of all occurrences which have not yet been categorized-is response to the unexpected,
...more

