Chapter 19
Sensory Systems
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the…
The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or…
The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches…
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency…
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are…
The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of…
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed…
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as…
New Methods to Study Gustatory Coding
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The sense of taste allows animals to detect chemicals in the environment, giving rise to behaviors critical for survival. When Gustatory Receptor…
Many techniques have been developed to visualize how an image would appear to an individual with a different visual sensitivity: e.g., because of…
A method to study desensitization and recovery of crayfish photoreceptors is presented. We performed intracellular electrical recordings of…
Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae
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In this article, we demonstrate assays to study thermal nociception in Drosophila larvae. One assay involves spatially-restricted (local) stimulation…