BSPII-ch3-filtering-time-2008

Blent ylmaz b erp sep erp event related potential sep

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Unformatted text preview: 2: Biomedical Signal Processing-II Processing5 Dr. Bülent Yılmaz Bü ERP & SEP • ERP: Event-related potential • SEP: Somatosensory evoked potential The somatosensory system is the sensory system of somatic sensation. – The sense of touch is mediated by the somatosensory system. Touch may simply be Touch considered one of five human senses; however, when however, a person touches something or somebody this gives rise to various feelings: the perception of pressure (hence shape, softness, texture, vibration, etc.), etc.), relative temperature and sometimes pain. Thus the term "touch" is actually the combined term for several touch" senses. In medicine, the colloquial term "touch" is senses. medicine, touch" usually replaced with somatic senses, to better reflect the variety of mechanisms involved. involved. BME402: Biomedical Signal Processing-II Processing6 Dr. Bülent Yılmaz Bü 3 Examples: • ERPs and SEPs – Epochs obtained a number of times by repeated application of the stimulus – Stimulus is used to align the epochs – Averaging is the...
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