Caffeine and Reaction Time Essay

1) Identify the Problem or QuestionHow does the custom of caffeine mask the chemical reaction sequence of the nervous system?2) originPurpose of the try out To identify the whether or non caffeine increases or decreases the reaction judgment of conviction of the nervous system.In our auditionation, we have decided to affair all the cases which entrust run how fast a signal from our psyche will be sent to our muscles in order to click the common mackerel when we see an object or directions on the screen. We know that the commonly use drug, caffeine, increases the heart rate, thus the increase in blood flow. The question in our experiment is, does the increase of blood flow, caused by caffeine, positively or negatively affects the reaction fourth dimension that it takes to click the mouse the moment we see an coming object.An opposite underlying factor we can analyze in our experiment is gender and age. Since we atomic number 18 using try on affairs whose ages and gender variegate from 16 to 50 and from male to female, we can roughly leave off whether or not age and gender affect reaction time. The reason we say roughly, is that the dickens factors, age and gender, are being footraceed in conjunction with the inhalation of caffeine. We do not know if the consumption of caffeine and its effects vary for how old the person is and his or her gender.3) Research and Current IdeasIn ultimo experiments, people have concluded that there is an inconsistency in results depending on the amount of caffeine consumed. Apparently, a half-cup of coffee had faster reaction mea authentic than the reaction propagation that were drawn when the test base drank a bountiful cup of coffee. The person had concluded that too much caffeine could really impair reaction time, but the regenerate superman could potentially increase reaction time.4) Predict a solution to the problem or an reception to the questionScientific Hypothesis The consumption of 12oz o f ground coffee will speed up our reaction time. Using past experiments conducted by new(prenominal) people, and the chemical compounds of caffeine and its affects on our body, we have drawn this hypothesis.Dependent variable quantity Reaction timeIndependent Variable Condition of the test subject (Caffeine)The reaction time is the dependent variable, because the results depend on the retainer of our subject. The condition of the test subject is the independent variable because we are changing the republic of our test subject by increasing their caffeine levels.5) Design the experiment to be used to test your hypothesisMaterials* 4 tablespoons/24 of maxwell house coffee blend* Computer/Internet* 4 test subject (2 16 year olds/ 2 middle aged adults, whizz of each gender) * Serendip softwareProcedure1) Complete a control experiment by conducting the serendip experiment while you are in your natural call forth for each test subject. 2) The site for the serendip activity is serend ip.brynmawr.edu/bb/reaction/reaction.html 3) Make sure that each Case is done 10 times to ensure accuracy. 4) chaffer Results Summary and record the information given. 5) Have each test subject consume 12 oz (2 tablespoons) of the Maxwell House Coffee blend. 6) Wait five-spot minutes before the test subject goes through the serendip reaction time activity again. 7) Repeat steps 1-3 for each test subject, except aft(prenominal) he or she has consumed the coffee and waiting for a duration of 5 minutes before completing the serendip activity. 8) Record the results in a info table.6) Carry out the experimentTest Type run try prove w/ Caffeine flirt 219 +- 15 milliseconds 194+- 11 millisecondsThink, get along 270 +- 32 milliseconds 243 +- 28 milliseconds Read, Think, Act 394+- 74 milliseconds 364 +- 68 milliseconds Read, Think-Negate, Act 383+- 102 milliseconds 352 +- 64 milliseconds Jazmine Ortiz, 16, FemaleJazmine Ortiz, 16, FemaleDaniel Kim, 16, MaleDaniel Kim, 16, MaleTest Type Control Experiment Experiment w/ CaffeineAct 210 +- 10 milliseconds 191+- 8 millisecondsThink, Act 267 +- 31 milliseconds 236 +- 25 milliseconds Read, Think, Act 381+- 74 milliseconds 344 +- 60 milliseconds Read, Think-Negate, Act 375+- 102 milliseconds 342 +- 58 milliseconds Test Type Control Experiment Experiment w/ CaffeineAct 384 +- 72 milliseconds 298+- 38 millisecondsThink, Act 340 +- 62 milliseconds 323 +- 50 milliseconds Read, Think, Act 422+- 124 milliseconds 414 +- 119 milliseconds Read,Think-Negate, Act 398+- 102 milliseconds 375 +- 102 milliseconds Test Type Control Experiment Experiment w/ CaffeineAct 372 +- 70 milliseconds 361+- 67 millisecondsThink, Act 321 +- 49 milliseconds 310 +- 46 milliseconds Read, Think, Act 398+- 76 milliseconds 391 +- 74 milliseconds Read, Think-Negate, Act 394+- 106 milliseconds 370 +- 68 milliseconds *The info shown are the averages of 10 trials that was calculated by the serendip program *The info shown are the averages of 10 t rials that was calculated by the serendip program Keon Shim, 39, MaleKeon Shim, 39, MaleMi Ok Kim, 44, FemaleMi Ok Kim, 44, Female7) Analyze the data and observations7) Cont.Analysis The results we received from the experiment were what we had suspected. For every test subject, the reaction times for every Case that were influenced by the coffees caffeine were fast than the controlled reaction times. For example, Daniel Kim had a controlled Read, Think-Negate, Act average reaction time of 375+-102 milliseconds. When he consumed the 12 oz of coffee, his average reaction time decreased to 344+-60 milliseconds.It is quite evident from the graphs that the average reaction time for every case for each test subject decreased when absorbing caffeine into their system. Test subjects also consumed the right amount of caffine, 160mg, which allowed the subject to shorten their reaction time, while the wrong dosage could impair it. We can also draw from the graphs the relation that the junio r the test subjects are, the quicker their reaction time will be. Also, we can also conclude from the results that males tend to have a quicker reaction time than females (Daniels reaction times were faster than Jazmines, and Keons were faster than Mis).8) acres the conclusionThe hypothesis was correct. The effects of caffeine shortened the reaction time in all of our test subjects.9) Summary ParagraphThe reason why we were able to correctly devise a hypothesis for the experiment was because of the anterior knowledge we had of the drug, caffeine. Caffeine increases the heart rate, which allows for faster muscle contractions. Caffeine does not really affect the actual reaction of the nervous system, but kind of the actual contractions of the muscles themselves. This known fact of caffeine is reflected in the experiment. It shortened the reaction time of our test subjects in every case. We found other factors in our experiment that may have affected the reaction time of our test su bjects. A few scientists have theorized that gender can affect reaction time.They say that males tend to have a faster reaction time because males are usually involved in more natural activities, such as sports, which helps improve reaction time. That theory is also reflected in our results. All the male subjects had faster reaction times than their age akin female subjects. Finally, the last factor would be the age of the test subject. Our younger test subjects both had faster reaction times than both the quondam(a) test subjects. There are many theories being circulated that once person enters their mid-twenties, their reaction time slowly increases.