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chapter_5_lectures_a_1_slide_per_page - Organization of...

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Organization of Organization of Behavior
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Coordinating Mu • Animals engage in diverse b – Feeding, mating, fighting, sle hibernating, etc • Different behaviors must be • Behavior conflicts must be a • Two main time scales: – Short term: Neural “comman – Longer term (mostly): Endog ultiple Behaviors behaviors eeping, escaping, migrating, e prioritized and coordinated avoided nd centers” genous rhythms
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Comman Walking and Gra d Center: d Center: asping in Mantids
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Walking and Gra • Excitatory signals from t ganglion stimulate moto and abdominal ganglia – Walking – Grasping (part of feeding • Selective inhibitory sign ganglion prevent simulta conflicting behaviors asping in Mantids the subesophogeal or activities via thoracic g behavior) nals from the protocerebral aneous activation of
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Regulation of Fee ding by Blowflies
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Regulation of Fee • Sensory input from feet • Feeding ceases periodic Feeding ceases periodica sweetness of fluid on fee Feeding eventually cea • Feeding eventually cease output of foregut stretch • Severing recurrent nerve and eventual rupturing ding by Blowflies initiate feeding behavior ally and only resumes if lly and only resumes if et is sufficiently high es completely owing to s completely owing to receptors e leads to endless feeding
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Coping With Vari Coping With Varia Behavior S able Environments ble Environments: Schedules
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DEALING WIT DEALING WITH ENVIRO • Environments vary in sp • Appropriate adjustment Appropriate adjustments • Adjustments regulated b – Direct responses to envir • Physical and social stimul E d (i t l) – Endogenous (internal) an • Biological rhythms (e.g., c H A VARIABLE A VARIABLE NMENT pace and time s of behavior necessary of behavior necessary by: ronmental cues li ti i t ticipatory processes circadian rhythms)
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chapter_5_lectures_a_1_slide_per_page - Organization of...

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