Abstract and Keywords
Recent work suggests that sequential behavior depends on multiple concurrent processes including conditioning, memory, and abstraction. To determine whether multiple behavioral processes act concurrently to produce sequential behavior, we study forms of sequential behavior that are sufficiently complex that they are likely to recruit multiple behavioral processes concurrently. Evidence from both behavioral and neurobehavioral studies is presented that supports the view that, in addition to encoding information about the nature of sequential items, rats also concurrently abstract rules from hierarchical patterns and interleaved patterns, employ chunking processes that are sensitive to phrasing cues, and encode information about the serial position of sequential events. Thus, evidence supports the view that rats concurrently track multiple interoceptive, exteroceptive, and cognitive sources of information to organize their behavior through time.
Keywords: sequential behavior, sequential learning, serial-pattern learning, rule learning, associative learning, chunking, phrasing, hierarchical pattern learning, interleaved pattern learning, concurrent cognitive processing, MK-801, dizocilpine, adolescent nicot
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