PPT-The Somatosensory System

CH7 Blumenfield By Laurence PoliquinLasnier R2 neurology Outline Sensory neuron Main somatosensory pathways Posterior columnmedial lemniscus Spinothalamic tract Somatosensory cortex. Input noise can enhance sensory and motor function We asked young and elderly participants to stand quietly on vibrating gel based insoles and calculated sway parameters and random walk variables In our 27 participants application of noise resulted *. Define acuity for me, please.. Acuity, as defined by the . M. erriam-Webster . medical . dictionary, . is “a keenness of sense perception. ”.. A sensation, (according to Sensation and Perception 3. WHISKING AS A “VOLUNTARY” RESPONSE: OPERANT CONTROL OF WHISKING PARAMETERS AND EFFECTS OF WHISKER DEAFFERENTATION P. Gao 1 , B. O. Ploog 2 3 Biopsychology Program, Hunter College, CUNY 1 The Integument. (aka “Skin”). Giant, washable, stretchable, water-proof sensory organ…The boundary between you and not-you. 6-10 pounds. 12-20 . sq-ft. The Integument. Epidermis (Thin outer layer). 5 . exteroceptive. sensory systems. Visual. Auditory. . (hearing). Somatosensory. (touch). Olfactory. (smell). Gustatory. (taste). Somatosensory. System. Somatosensations. : sensations from your body. P. Raudzens, PhD," M. Goldie, MD, Assistant Professor. Department of Neurobiology and Anatomy. University of Texas Health Science Center at Houston. Houston, TX. Michael.S.Beauchamp@uth.tmc.edu. Motor Systems: Lecture 5. Hierarchical . Stimulation . in Newborns with CCHD. Dongli . Song MD, PhD. Associate Chief, Division of Neonatology. Director, Newborn Clinical Research. Director, Newborn Neuroprotection Program. Santa Clara Valley Medical Center. 1,2), . Avraham. . Shoshani. . (2. ). . 1- . The . Jerusalem Mental Health Centre- Kfar Shaul Hospital. Affiliated to Hadassah Medical School, the Hebrew University, Jerusalem, Israel.. 2. “. Brainfulness. Cognitive Neuroscience. David Eagleman. Jonathan . Downar. Chapter Outline. Detecting Data from the World. Hearing. The Somatosensory System. Chemical Senses. The Brain is Multisensory. Time Perception. By: Kyle Bohnert and Rachael Moreland. Hanover College. Posture. Body thought of as an inverted pendulum. Very Unstable. Small area of support in which the COM must fall. Posture. Considered to be a dynamic. David Eagleman. Jonathan . Downar. Chapter Outline. Detecting Data from the World. Hearing. The Somatosensory System. Chemical Senses. The Brain is Multisensory. Time Perception. 2. Detecting Data from the World. Free Nerve Endings. Warm (30-45). Cold (10-40). noci. TRP- Transient Receptor Potential. (VR- . Vanilloid. receptor ). ASIC (acid sensing ion channel). VR1/Capsaicin receptor channel. Parallel pain pathways. PATHWAYS. SOMATOSENSORY . SYSTEM. S. inform about objects around us through touch. . inform about position and movements of our body parts. . (proprioception). . monitor the temperature. . inform about painful, itchy and tickling stimuli.