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The authors of Complex Worlds from Simpler Nervous Systems explain how animals with small, often minuscule, nervous systems--jumping spiders, bees, praying mantids, toads, and others--are not the simple "reflex machines" they were once thought to be. Because these animals live in the same world as do much larger species, they must meet the same environmental challenges. They do so by constructing complex perceptual worlds within which they can weigh options, make decisions, integrate unique experiences, apply complex algorithms, and execute plans--and they must do this with thousands rather than the billions of neurons necessary for their larger counterparts. The authors of each chapter, leading neuroscientists and animal behaviorists, present their research in ways that allow the reader to understand this process from the animal's perspective. The first of the book's three parts, "Creating Visual Worlds: Using Abstract Representations and Algorithms," examines the visual worlds of jumping spiders, honeybees, praying mantids, and toads. Part II, "Enhancing the Visual Basics: Using Color and Polarization," explores color vision and light polarization perception in honeybees, butterflies, crayfish, mantis shrimps, and octopuses. The final part, "Out of Sight: Creating Extravisual Worlds," examines the complex integration of visual and mechanosensory information in the cockroach and the unique auditory world of the unusual bladder grasshopper. All of these fascinating stories can be read both for what they teach us about the perceptual worlds of little animals, and for what they suggest about the general organizing principles of all central nervous systems, both "simple" and complex.

Cognition in animals. --- Learning in animals. --- Animal behavior. --- Visual Perception --- Behavior, Animal. --- Vision, Ocular --- Sensation --- Light Signal Transduction --- Ocular Physiological Processes --- Behavior --- Perception --- Psychophysiology --- Ocular Physiological Phenomena --- Signal Transduction --- Behavior and Behavior Mechanisms --- Nervous System Physiological Processes --- Mental Processes --- Phenomena and Processes --- Biochemical Processes --- Nervous System Physiological Phenomena --- Cell Physiological Processes --- Psychiatry and Psychology --- Psychological Phenomena and Processes --- Chemical Processes --- Cell Physiological Phenomena --- Biochemical Phenomena --- Musculoskeletal and Neural Physiological Phenomena --- Chemical Phenomena --- Behavior, Animal --- Zoology --- Health & Biological Sciences --- Animal Behavior --- physiology. --- Animal Behaviors --- Behaviors, Animal --- Light Signal Transduction, Visual --- Ocular Vision --- Visual Light Signal Transduction --- Visual Phototransduction --- Visual Transduction --- Vision --- Phototransduction, Visual --- Transduction, Visual --- Perception, Visual --- Perceptions, Visual --- Visual Perceptions --- Chemical Phenomenon --- Chemical Process --- Physical Chemistry Phenomena --- Physical Chemistry Process --- Physicochemical Phenomenon --- Physicochemical Process --- Chemical Concepts --- Physical Chemistry Concepts --- Physical Chemistry Processes --- Physicochemical Concepts --- Physicochemical Phenomena --- Physicochemical Processes --- Chemical Concept --- Chemistry Process, Physical --- Chemistry Processes, Physical --- Concept, Chemical --- Concept, Physical Chemistry --- Concept, Physicochemical --- Concepts, Chemical --- Concepts, Physical Chemistry --- Concepts, Physicochemical --- Phenomena, Chemical --- Phenomena, Physical Chemistry --- Phenomena, Physicochemical --- Phenomenon, Chemical --- Phenomenon, Physicochemical --- Physical Chemistry Concept --- Physicochemical Concept --- Process, Chemical --- Process, Physical Chemistry --- Process, Physicochemical --- Processes, Chemical --- Processes, Physical Chemistry --- Processes, Physicochemical --- Musculoskeletal and Neural Physiological Concepts --- Musculoskeletal and Neural Physiological Phenomenon --- Musculoskeletal and Neural Physiology --- Biochemical Concepts --- Biochemical Phenomenon --- Biochemical Process --- Phenomena, Biochemical --- Biochemical Concept --- Concept, Biochemical --- Concepts, Biochemical --- Phenomenon, Biochemical --- Process, Biochemical --- Processes, Biochemical --- Cell Physiological Phenomenon --- Cell Physiological Process --- Physiology, Cell --- Cell Physiology --- Phenomena, Cell Physiological --- Phenomenon, Cell Physiological --- Physiological Process, Cell --- Physiological Processes, Cell --- Process, Cell Physiological --- Processes, Cell Physiological --- Cells --- Psychologic Processes and Principles --- Human Information Processing --- Information Processing, Human --- Nervous System Physiological Concepts --- Nervous System Physiological Phenomenon --- Nervous System Physiological Process --- Physiology, Nervous System --- Nervous System Physiologic Processes --- Nervous System Physiology --- System Physiology, Nervous --- Nervous System --- Receptor Mediated Signal Transduction --- Signal Transduction Pathways --- Signal Transduction Systems --- Receptor-Mediated Signal Transduction --- Signal Pathways --- Pathway, Signal --- Pathway, Signal Transduction --- Pathways, Signal --- Pathways, Signal Transduction --- Receptor-Mediated Signal Transductions --- Signal Pathway --- Signal Transduction Pathway --- Signal Transduction System --- Signal Transduction, Receptor-Mediated --- Signal Transductions --- Signal Transductions, Receptor-Mediated --- System, Signal Transduction --- Systems, Signal Transduction --- Transduction, Signal --- Transductions, Signal --- Eye Physiology --- Ocular Physiologic Process --- Ocular Physiological Concepts --- Ocular Physiological Phenomenon --- Ocular Physiological Process --- Physiology of the Eye --- Physiology, Ocular --- Visual Physiology --- Ocular Physiologic Processes --- Ocular Physiology --- Concept, Ocular Physiological --- Concepts, Ocular Physiological --- Ocular Physiological Concept --- Phenomena, Ocular Physiological --- Phenomenon, Ocular Physiological --- Physiologic Process, Ocular --- Physiologic Processes, Ocular --- Physiological Concept, Ocular --- Physiological Concepts, Ocular --- Physiological Process, Ocular --- Physiological Processes, Ocular --- Physiology, Eye --- Physiology, Visual --- Process, Ocular Physiologic --- Process, Ocular Physiological --- Processes, Ocular Physiologic --- Processes, Ocular Physiological --- Eye --- Mind-Body Relationship (Physiology) --- Physiologic Psychology --- Physiological Psychology --- Psychology, Physiologic --- Mind-Body Relations (Physiology) --- Psychology, Physiological --- Mind Body Relations (Physiology) --- Mind Body Relationship (Physiology) --- Mind-Body Relation (Physiology) --- Mind-Body Relationships (Physiology) --- Physiologic Psychologies --- Psychologies, Physiologic --- Relation, Mind-Body (Physiology) --- Relations, Mind-Body (Physiology) --- Relationship, Mind-Body (Physiology) --- Relationships, Mind-Body (Physiology) --- Perceptions --- Acceptance Process --- Acceptance Processes --- Behaviors --- Process, Acceptance --- Processes, Acceptance --- Phototransduction --- Signal Transduction, Light --- Transduction, Light Signal --- Organoleptic --- Sensory Function --- Function, Sensory --- Functions, Sensory --- Sensations --- Sensory Functions --- Animals --- Animals, Habits and behavior of --- Ethology --- Animal learning --- Animal cognition --- physiology --- Ophthalmology --- Molecular Biology --- Psychologic Processes --- Psychological Processes --- Phenomena, Psychological --- Processes, Psychologic --- Processes, Psychological --- Psychological Phenomenas --- Psychological Processe --- Cell Communication --- Receptor-CD3 Complex, Antigen, T-Cell --- Receptor Cross-Talk --- Feedback, Physiological --- Gasotransmitters --- Psychosomatic Medicine --- Mind-Body Relations, Metaphysical --- Photoreceptors, Plant --- Animal psychology --- Ethologists --- Psychology, Comparative --- Animal intelligence --- Cell Signaling --- NEUROSCIENCE/General --- COGNITIVE SCIENCES/General