Phasic and Tonic Receptors Phasic Receptor alert us to changes in sensory stimuli Joint capsule receptors 250 Muscle spindle cease paying Hair receptor Pacinian corpuscle attention to constant 200 =o- stimuli 150 Tonic receptor useful in situations requiring maintained Seconds information about a stimulusPhasic and Tonic Receptors • Phasic Receptor – alert us to changes in sensory stimuli – cease paying attention to constant stimuli • Tonic Receptor – useful in situations requiring maintained information about a stimulus