Classification of receptors: Modalities Mechanoceptive Detects stimuli which mechanically deform the receptor Pressure vibration touch. sound Thermoceptive Detects changes in temperature hot/cold Nociceptive(pain) Detects damage to the structures Photoreceptors Detect light; vision, retinal of the eye Chemoceptive Detect chemical stimuli CO2 and O2 in the blood, glucose, smell, tasteClassification of Receptors: Modalities • Mechanoceptive – Detects stimuli which mechanically deform the receptor; – Pressure, vibration, touch, sound. • Thermoceptive – Detects changes in temperature; – hot/cold • Nociceptive (pain) – Detects damage to the structures • Photoreceptors – Detect light; vision, – retinal of the eye • Chemoceptive – Detect chemical stimuli – CO2 and O2 in the blood, glucose, smell, taste