PS102 Lecture Notes - Lecture 7: Monosodium Glutamate, Somatosensory System, Umami
Document Summary
Ps102 lecture 7: five taste receptors on your tongue, sweet, sour, bitter, salt, umami- the taste of monosodium glutamate (msg) Chemical senses- taste (papillae- taste buds: chemical receptors= taste buds (consist of several receptor cells, about 9,000 taste buds grouped in different regions o located on edges and back of tongue. Tactile or cutaneous sense (figure 5-5: the tactile or somatosensory system is a combination of skin senses. Pressure, touch, temperature, vibration, pain: the tactile senses rely on a variety of receptors located in different parts of the skin. Contains variety of receptor structures: receptors are organized based on pain and temperature (specialized) Steps to perceiving touch (figure 5-6* important: contralateral brain regulation- touch is perceived by the opposite of the brain, different pathways for touch and pressure/vibration. What is memory: the system by which we retain information and bring it to mind, a method of retaining the information and skills we acquire through experience (new- information in 1,2,3.
