Sensory Systems 46.2 How Do Sensory Systems Detect Chemical Stimuli? Chemoreceptors: receptor proteins that bind to specific molecules‚ their ligands; responsible for taste and smell. Also monitor internal environment‚ such as CO2 levels in blood. Olfaction is the sense of smell. Olfactory sensors are embedded in epithelial tissue at top of nasal cavity (in vertebrates). Axons extend to the olfactory bulb in the brain‚ dendrites end in olfactory hairs on the nasal epithelium. FIGURE 46.3 Olfactory
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Abstract H&M‚ which is located in Liverpool one‚ is a clothing shop focusing on young people who pursue fashion. Comparing with other H&M stores‚ it only attracts a small number of customers. As a result‚ our group made a research about the shop in order to discover the problems and provide meaningful suggestions. Based on the group member’s real introspection about the shop and the servicescape which enabled us to have general beliefs‚ feelings‚ and behavioral intentions toward the store (Elisabeth
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BrandSense Building Brands with Sensory Experiences ™ ©2001 Harvest Consulting Group‚ LLC Harvest Consulting Group‚ LLC BrandSense™ Table of Contents Table of Contents BrandSense™ Introduction A Time for the Senses Recognition and Perception The Sense Connection The Case for Smell Putting the Senses Together BrandSense™ Cases Giving Your Brand Some BrandSense™ Quantitative Analysis: BrandSense Audit™‚ SensePlan™ Conclusion Sources Contact Us 01 02 03 04 05 08 09 11 12 13 14 15
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For example‚ nasal polyps associated with allergic rhinitis‚ malignant‚ such as an epidermoid carcinoma and pituitary tumor Dentistry work : Dental injections‚ damage to both olfaction and taste‚ injury to the taste buds‚ injury to the nerves responsible for taste and poor dental hygiene may cause distortions of taste. Medical conditions: Kallmann’s Syndrome: a genetically determined syndrome. Those affected fail to develop olfactory
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Sense Organs The General Senses Sensory receptors n monitor external or internal conditions. Simplest are free nerve endings. -Temperature - pain -touch -pressure -vibration Receptors throughout the body •Special senses nSmell ntaste nvision nbalance nhearing nReceptors located in sense organs (e.g.‚ ear‚ eye). EYES nAccessory Structures of the Eye qEyelids (palpebra) and glands qSuperficial epithelium of eye nConjunctiva qLacrimal apparatus nTear production and removal
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PHEROMONES 1. INTRODUCTION What are pheromones? Pheromones‚ as defined by John W. Kimball‚ are chemicals released by an organism into its environment enabling it to communicate with other members of its own species. The term Pheromones (originates from two Greek words‚ pherein meaning transfer and hormone meaning to excite or stimulate)‚ as proposed by Karlson and Luscher(1959) was used to describe a chemical secreted by an animal to release a specific reaction that triggers members of
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Neuroscience: The Five Senses Brandt 2 Table of Contents: Introduction: .3 Sense 1: Taste 3-4 Sense 2: Smell ...4-6 Sense 3: Sight 6-7 Sense 4: Hearing 7-9 Sense 5: Touch ..9-11 Conclusion: ...11 Brandt 3 Neuroscience is the study of the nervous system and anything that is involved with the nervous system. They are many different areas in the field if neuroscience. Neuroscience deals with the five senses‚ anything
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abdominal cavity)‚ muscles‚ and joints. • Special receptors include chemoreceptors (chemical receptors) found in the mouth and nose‚ photoreceptors (light receptors) found in the eyes‚ and mechanoreceptors found in the ears. Oooh‚ that smell: Olfaction Olfactory cells line the top of your nasal cavity. On one end‚ olfactory cells have cilia — hair-like attachments — that project into the nasal cavity. On the other end of the cell‚ are olfactory nerve fibers‚ which pass through the ethmoid bone
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The ABC’s of Sensation 3.1 How do sensations travel through the central nervous system‚ and why are some sensations ignored? * Sensation is the activation of receptors located in the eyes‚ ears‚ skin‚ nasal cavities‚ and tongue. * Sensory receptors are specialized forms of neurons that are activated by different stimuli such as light and sound. * A just noticeable difference is the point at which a stimulus is detectable half the time it is present. * Weber’s law of just noticeable
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SENSE ORGANS RECEPTORS (Sense organs) * Transducers of specific forms of kinetic energy * Change mechanical‚ electrical‚ thermal‚ chemical‚ or radiant energy into nerve impulses in sensory neurons Two major categories: * GENERAL RECEPTORS * Often exist as individual cells or receptor units * Widely distributed throughout the body * Most numerous such as: * touch‚ temperature‚ and pain: and * to initiate various reflexes necessary for maintaining
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