Question 1
a. In detail, elucidate how your device is representative of/different from the physiological environment. Indicate how these variables may affect neural functionality.
In order to record neuronal signals, my device, specifically the electrode, will be inserted into the rat sciatic nerve to record extracellularly the action potential generated by the neurons. There are several differences between the electrodes and the medium into which they will be inserted. Depending on these differences, there may be an effect on the neural functionality. The first difference to consider is the Young’s modulus of the nerve and the electrode. The electrode, which is made from polysilicon, has a Young’s modulus of around 155 GPa1 while the nerve itself has a Young’s modulus of around 580 kPa2. A large mismatch in Young’s modulus can lead to the electrode being encapsulated by non-neuronal cells as the body attempts to minimize the damage caused by having something stiff inserted into soft tissue. The difference in Young’s modulus interferes with the
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Current research is making progress on addressing several issues but there is no ideal device. In the following, I will describe what I believe an ideal device would be.
One of the first issues that needs to be addressed is the mismatch between the Young’s modulus of the electrode and the tissue into which it is inserted. An electrode needs to be stiff enough to puncture into the tissue and be able to move within the tissue without simply bending and not going deeper. As such, the issue of the mismatch can be addressed by coating the electrode in a soft conducting polymer that has a Young’s modulus as close to the tissue as possible. This way, the electrode remains stiff enough to easily move through the tissue while having a soft barrier to minimize the damage of the
Answer1: When the transmission speed of ten megabits per second, the broadcast time of nine bits / 8x106 bits / second = 1 microsecond a large solitary byte. A good bit in connection with the 200 meters during optical fiber offers a large propagation time involving 200 meters / 2x108 meters / second = 1 microsecond. And so the area associated with 500 bytes requires 501 microseconds to arrive definitely with the recipient.
All, Here are the minutes from today’s meeting: • Currently, IDP can only produce the current day’s metric and trade details and cannot go back in time. Each day the data is refreshed with the most updated trade details (eg. Trade amendments) and the metric is generated using the latest APL and limit letter mapping. To reproduce the metrics and its underlying trades point in time, it will require manual intervention from IDP.
The signal with the lowest value is taken into consideration. As said in the previous section (hue calculation algorithm) it is available for us on the bus can be used for this computation. This improves the worktime and also reduces the burden on the device. Minimum value is to be multiplied with an integer value ‘3’, which is same for every change in the input values.
FACULY OF NATURAL SCIENCE DEPARTMENT OF COMPUTER SCIENCE NAME OF STUDENT : S. GANGATA STUDENT NUMBER : 213240300 MODULE : DATA STRUCTURES MODULE CODE : CSI22M2 TASK : ASSIGNMENT #1 TOPIC : ROLE OF DATA STRUCTURES QUALIFICATION : B Sc. COMPUTER SCIENCE DUE DATE : 04-08-2015 LECTURER : MR L. TINARWO 1. Stack Properties (Weiss, 1992) In a stack insertion and deletion are performed only in one position called the top. Operations of the stack are push, and push is the same as to insert, and pop which deletes is an element that is recently inserted.
Figure 1 shows the visual output of transforming the quantitative information presented in Table 1 into the so-called bubble plot, which is essentially a special version of a scatterplot (Kabacoff 2011, p.278f.). The graph in Figure 1 visualises co-occurring nominal collocates of hot and warm in the COHA decade of the 1860s. The x-axis designates the co-occurrence frequency per million words of collocates with hot whereas the y-axis portrays their co-occurrence frequency per million words with warm. Each bubble symbolises the nominal collocate whose coordinate position is determined from its respective co-occurrence frequency with hot and warm. Moreover, the different sizes of the bubbles, which are derived from the combined frequencies, indicate
3.1 1. Minerals have a few distinguishing characteristics that differ them from other materials. One of the biggest characteristic that minerals poses is they are naturally occurring, inorganic element or compound. Another is the hardness of the mineral. Minerals also have the characteristics of very different cleavage shapes.
All data that is transmitted over a network is open to being monitored. One way to create a more secure environment would be to restrict file permissions. It is usually recommended that file permissions are set so that only necessary access is granted. Another way to create a more secure environment would be to use secure passwords to verify the user’s identity. Password security is very important when it comes to protecting not only the network, but the user and workstation.
Part 1: It would effect everything on the planet, plants would be less able to produce the suns energy and living organisms would be in big trouble. A short term effect would be decreasing plant populations and a long term effect would be a decreasing population of every organism on the planet. i. Much like the first one, if the sun was completely blocked producers could not produce, thus consumers could not eat them and get energy and the decompress could not break down the organisms if they're not alive. It would result in the overall extinction of living organisms on earth. ii.
The idea was that Dr. Dawson would put the neurotransmitter on his patients and he would experience their pain through a neuro receiver that was drilled into
Script What is Parkinson’s disease? Parkinson’s disease is a condition that typically causes tremors and stiffness in body movement. It is a progressive and chronic disorder that limits movement. That means that someone who has Parkinson’s disease will always have the disease and it will worsen over time.
Topic: Dementia Written By: Roxanne Lim, Panchami Chandukudlu, Aditi, Jenny Sui Yuan Abstract: 1. Brief Outline Dementia, commonly referred to as senility, constitutes a vast branch of neurodegenerative disorders that affect the cognitive well being of an individual’s ability to think, remember and act. More commonly addressed in its chronic form, dementia is associated with a range of diseases such as Alzheimer's Disease, the most common form of dementia (making up to 70% of cases), Parkinson’s Disease, vascular dementia, Lewy body dementia, Creutzfeldt-Jakob disease and frontotemporal dementia. 2.
Extended Essay Research Title: An examination of the advantages and disadvantages of optogenetics as a treatment option for neurological conditions in humans. Research Question: To what extent is optogenetic technology a feasible form of treatment for neurological conditions in humans? Table of Contents Introduction 2 Method 4 Alzheimer’s Disease 5 Parkinson’s Disease 6 Anxiety 8 Depression 9 Advancements in Technology 10 Risks and Implications 12 Limitations
Band ® (Woodside Biomedical Inc., Abbott Park, IL, Maven Laboratories, and Citrus Heights, CA) was used. It is a wristwatch and includes a device that applies surface electrical current at acupuncture point. Transcutaneous electrical stimulation
The vasculature of the ECM contains an arrangement of blood vessels that are capable of carrying or circulating fluids. As the ECM resulted from a source and was decellularized, it would still contain its vascularity, whereas a synthetic scaffold is built from the ground up and lacks vasculature. Artificial blood vessels would need to be made, which would require a structural scaffold, vascular cells, and a nurturing environment. Bioreactors that mimic the in vivo environment of vascular cells would also be required to produce a pulsatile flow (Kakisis et al, 2005). Creation of artificial blood vessels within a scaffold are still undergoing experimentation and
with 0.12% chlorhexidine mouth rinse. e- Topical anesthetic gel was applied to the mucosa at the insertion site in order to reduce patient discomfort. f- Using non touch technique, the mini-screw implant was unsealed, carried, and inserted with a manual screwdriver.