Table : TABLE 6.3
Summarizing the Senses
Sensory SystemSourceReceptorsKey Brain Areas
VisionLight waves striking the eyeRods and cones in the retinaOccipital lobes
HearingSound waves striking the outer earCochlear hair cells in the inner earTemporal lobes
TouchPressure, warmth, cold Receptors, most in the skin, detect pressure, warmth, cold, and painSomatosensory cortex
TasteChemical molecules in the mouthBasic tongue receptors for sweet, sour, salty, bitter, and umamiFrontal temporal lobe border
SmellChemical molecules breathed in through the noseMillions of receptors at top of nasal cavityOlfactory bulb
Body position—kinesthesiaAny change in position of a body part, interacting with visionKinesthetic sensors in joints, tendons, and musclesCerebellum
Body movement—vestibular senseMovement of fluids in the inner ear caused by head/body movementHair-like receptors in the ears’ semicircular canals and vestibular sacsCerebellum