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The Effect of Caffeine on Reaction Time
Member rating: No Rating | Words: | Submitted: Wed Nov 01 2006
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The Effect of Caffeine on Reaction Time Hypothesis Alternate There will be a significant decrease in the reaction time of a person after an intake of caffeine at a 5% level. Null There will be no significant difference between the reaction time of a person before or after after an intake of caffeine at a 5% level. Introduction A synapse is a specialized junction through which cells of the nervous system signal to one another and to non-neuronal cells such as muscles or glands. Within a human body synapses occur which result in movement of the body. There are two types of synapses, electrical and chemical. The chemical is only relevant in this investigation. In a transmission across a chemical synapse calcium ions diffuse into the pre-synaptic knob. This increase in concentration enables the movement of vesicles that contain transmitter substance towards the presynaptic membrane (Adds, 2001). These vesicles then fuse with the...
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