Planaria are a type of flatworms that possess a mammalian nervous system and the ability to regenerate skin cells. The flatworms are used in a variety of experiments, which include chemical responses and experiments upon the regeneration process. When combined with addictive drugs and chemicals, such as cocaine and ethanol, the planaria display paroxysms, motor effects, and c shaped movements (Tallarida et al 2014). The planaria demonstrate their applicability of their systems in multi-drug interactions, and they display visible results in different drug combinations. (Tallarida et all 20014). In order to start with the experiment, first it must be understood how planaria normally react to other drugs, such as the ones stated above. The planaria, as the doses of cocaine increase while ethanol remains fixed, displays that the ethanol becomes …show more content…
On the other hand, when the planaria interact with sugars and caffeine, the caffeine produces noticeable, unimportant changes in the drive of the planaria (Moustakas et al 2014). This contrasts from the variety of affects the planaria display when being tested by drugs such as nicotine and cocaine. The effects from the caffeine are mostly subtle, such as increased motor activity. The planaria show increased activity after being dosed from the caffeine for a regulated amount of time, e.g. 1 hour. How does this affect the internal processes of the planaria? When the planaria are exposed to addictive substances such as the guarana seed extract, caffeine, and glucose, it results in the augmentation of the mobility, inhibiting it after long and short term stimulation (Moustakas et al 2014). This is an important indicator, as it is one of the signs of how the caffeine affects a process of the planria, e.g. the mobility. How would the caffeine affect the regenerative growth rate, the behavioral processes, and the cognition of the planaria? What will be inhibited from the use of caffeine on the