5CL Lab 7

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5CL

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Computer Science

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Dec 6, 2023

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5±!&L !&LaJb 7 ²ssignment [Wylie ³ahlgren, 'Mario Parada, 'Matthew], [11/27/23 [!&LaJb °4], [´enKch #7] <URNK] SPVS]VSkjURNKLI ALILIVS]TQ x_nmpj jNKkjfg_]kjNKkj _] NKAJUR kj[VSLINK kjAsruNK mlURVSkj Akj A +±" SPVS[NK A]LI nmpfg[_ALI VSml ml_ x_nmpj #jALINKkjJ_fgNK AkjkjVSTQ]\NK]ml

²Kctivity 1: µ %K° (µ±°) $ nsPLrt a sKcreenshot of 3 KcyKcles of your heartJbeat in the !&Lead ¶ Kconfiguration. $ nsPLrt a sKcreenshot of 3 KcyKcles of your heartJbeat in either the !&Lead ¶¶ or ¶¶¶ Kconfiguration. ±liRgn the two sKcreenshots vertiKcally suKch that the 3Q4R5S parts of the KcyKcle line up. +'GCKGPLl the P3Q4R5S6T parts of one KcyKcle in eaKch sKcreenshot. /ead , /ead ,, /ead ,,, 3 3 4 5 8 7 4 3 5 6 4 7 7 6 3 5 9 6

²Kctivity 1: µ %K° (µ±°) $ NJPLntiQfy one part of the heartJbeat KcyKcle (P3Q4R5S6T) that is notiKceaJbly different Jbetween your three lead Kconfigurations. ²rGCw a diagram of the heart with an arrow representing the dipole orientation during this part of the KcyKcle. ²rGCw the Jbody with the three lead Kconfigurations used. ²rGCw an arrow pointing from the negative lead to the positive lead in eaKch. With these sketKches, Kcan you explain the differenKce you oJbserved Jbetween your three µ %K° readings for this part of the heartJbeat KcyKcle? 7he 456 complex of /ead , shows a strong hyperpolarization followed by a smaller depolarization due to the fact that this motion of the dipole runs closest to parallel to the line that lead , creates creating the greatest amplitude for these segments± +eart

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²Kctivity 2: µ'M° ²rGCw a sKchematiKc of the µ'M° eleKctrodes on your arm, laJbeling the positive, negative and referenKce. $ nsPLrt a sKcreenshot of the signal generated as you progressively twitKched your middle finger harder. ³xplGCin how the amplitude of the signal Kcorrelates with the forKce of the twitKch. ±NJNJ and laJbel sKcreenshots of the signal generated Jby your group memJbers. 7he spikes correlate to finger twitches and the amplitude of the signal increases with the force of the twitch± 7he amplitude of the signal correlates with the force of the twitch through our fingers because the strength of the electrical activity that travels down through the forearm and to the finger is picked up by the electrodes placed on the arm± 0atthew’s 6ignal :ylie’s 6ignal 0ario’s 6ignal

²Kctivity 2: µ'M° $ nsPLrt a sKcreenshot of the signal generated when you squeezed an oJbjeKct with your middle finger. $ nsPLrt a sKcreenshot of the signal generated your partner moved your middle finger for you. ³xplGCin what you oJbserve in these two Kcases. ±NJNJ and laJbel sKcreenshots of the signals generated Jby your group memJbers. 6queezing object 3artner moving finger 6queezing object 3artner moving finger :ylie’s 6ignal 0atthews signal 6queezing object 3artner moving finger :e see an increase in amplitude when squeezing an object and no increase in amplitude when the finger is being moved by the partner± 7his is due to the muscle activation when squeezing and no muscle contraction when the finger is being moved for him±

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