CLASSICAL ETHOLOGICAL THEORY

CLASSICAL ETHOLOGICAL THEORY - BY A SPECIFIC STIMULUS E.G...

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CLASSICAL ETHOLOGICAL THEORY: KONRAD LORENZ, NIKO TINBERGEN MUCH OF ANIMAL BEHAVIOR IS INSTINCTIVE INSTINCTIVE BEHAVIOR = : 1.) BEHAVIOR OCCURS IN ALL MEMBERS OF SPECIES (= SPECIES-TYPICAL BEHAVIOR) 2.) NO LEARNING REQUIRED; OFTEN BEHAVIOR CAN DEVELOP WITHOUT ANIMAL EVER EXPERIENCING OTHER MEMBERS OF THE SPECIES 3.) STEREOTYPED BEHAVIOR Example: Spider webs. All spiders of a certain species are able to spin their particular type of web. They don't learn this by classical conditioning, operant conditioning, or social learning. Young spiders may never see other members of the same species, but they are able to spin a web as soon as necessary when they reach the appropriate developmental stage. Their webs all look basically alike; they are stereotyped. FIXED OR MODAL ACTION PATTERN (FAP): A SEQUENCE OF BEHAVIORS ELICITED
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Unformatted text preview: BY A SPECIFIC STIMULUS; E.G. AGGRESSION IN FIGHTING FISH. When the fighting fish sees the red belly of another male during breeding season while he is defending his territory, he will attack in a stereotyped manner. There are a great many such examples, ranging from mating rituals to parenting behaviors. INNATE RELEASING MECHANISM (IRM): AN IRM IS A MECHANISM THAT TRIGGERS AN INNATE SEQUENCE OR PATTERN OF BEHAVIOR AS A RESULT OF PERCEIVING A STIMULUS; E.G., RED BELLY OF ANOTHER MALE TRIGGERS AGGRESSION IN FIGHTING FISH. IF IRM PRESENT, THEN FAP WILL BE EMITTED. THE IRM IS A PHYSIOLOGICAL MECHANISM IN THE FISH. IT RESPONDS TO A CERTAIN STIMULUS, SUCH AS THE RED BELLY OF ANOTHER MALE, AND TRIGGERS A PARTICULAR BEHAVIORAL SEQUENCE, IN THIS CASE, AGGRESSION....
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