This is an interesting question and for myself I know what Coke taste like and its my preferential choice if I drink soda, which I don't anymore as a habit. Cola is something I do not sip, I gulp it down, hence why I like Coke. Coke for me has a explosive effervescent reaction to the back of my throat. It's a kin to a scald without the pain. Every time I have tasted Pepsi its sweeter tasting than Coke and I don't like for some reason that unique sweetness in my cola taste.
Okay, enough about my preferences here is an interesting study about the differences.
Coke versus Pepsi: It's all in the head
The preference for Coke versus Pepsi is not only a matter for the tongue to decide, Samuel McClure and his colleagues have found. Brain scans of people tasting the soft drinks reveal that knowing which drink they're tasting affects their preference and activates memory-related brain regions that recall cultural influences. Thus, say the researchers, they have shown neurologically how a culturally based brand image influences a behavioral choice. These choices are affected by perception, wrote the researchers, because "there are visual images and marketing messages that have insinuated themselves into the nervous systems of humans that consume the drinks."
Even though scientists have long believed that such cultural messages affect taste perception, there had been no direct neural probes to test the effect, wrote the researchers. Findings about the effects of such cultural information on the brain have important medical implications, they wrote.
"There is literally a growing crisis in obesity, type II diabetes, and all their sequelae that result directly from or are exacerbated by overconsumption of calories. It is now strongly suspected that one major culprit is sugared colas," they wrote.
Besides the health implications of studying soft drink preference, the researchers decided to use Coke and Pepsi because-- even though the two drinks are nearly identical chemically and physically--people routinely strongly favor one over the other. Thus, the two soft drinks made excellent subjects for rigorous experimental studies.
In their study, the researchers first determined the Coke versus Pepsi preference of 67 volunteer subjects, both by asking them and by subjecting them to blind taste tests. They then gave the subjects sips of one drink or the other as they scanned the subjects' brains using functional magnetic resonance imaging (fMRI). In this widely used imaging technique, harmless magnetic fields and radio signals are used to measure blood flow in regions of the brain, with such flow indicating brain activity levels. In the experiments, the sips were preceded by either "anonymous" cues of flashes of light or pictures of a Coke or Pepsi can.
The experimental design enabled the researchers to discover the specific brain regions activated when the subjects used only taste information versus when they also had brand identification. While the researchers found no influence of brand knowledge for Pepsi, they found a dramatic effect of the Coke label on behavioral preference. The brand knowledge of Coke both influenced their preference and activated brain areas including the "dorsolateral prefrontal cortex" and the hippocampus. Both of these areas are implicated in modifying behavior based on emotion and affect. In particular, wrote the researchers, their findings suggest "that the hippocampus may participate in recalling cultural information that biases preference judgments."
The researchers concluded that their findings indicate that two separate brain systems--one involving taste and one recalling cultural influence--in the prefrontal cortex interact to determine preferences.
### Samuel M. McClure, Jian Li, Damon Tomlin, Kim S. Cypert, Latané M. Montague, and P. Read Montague: "Neural Correlates of Behavioral Preference for Culturally Familiar Drinks"
Published in Neuron, Volume 44, Number 2, October 14, 2004, pages 379–387.
Coke over Pepsi Diet Pepsi over Diet Coke. Not sure where I'd rank Coke Zero or Pepsi Max yet Diet Dr Pepper does taste like regular Dr Pepper
That is interesting, I'm a Coke over Pepsi girl, but I drink diet. I'll have to try Diet Pepsi. I can't really tell the difference between Zero and Diet Coke. I know some say there is an aftertaste to Coke Zero. I dunno. ?
I love Coke Zero. I do think it has an almost Gingery aftertaste, but I like that.
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Coke in a glass bottle. I'm to Cokes in glass bottles like Forrest Gump is to Dr Pepper. I could drink 10-15 of them in a day.
Come to think of it, I too have met the President of the U.S. although dam sure not for my athletic achievements & always had a hard time finding a seat on the school bus. YIKES !! I'm gonna stop thinking about that comparison right there lol
Coke any other way is just not the same !!
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I was a huge fan of pepsi for a long time, but i think i've been cheating with coke. lol
Oh NO!! Someone defecting to the "other side"!! I'm crushed!! hahaha
And there is definitely a difference in taste, if you drink from the bottle or can. If you get the drink from a drink machine then Coke actually tastes more like Pepsi and it's harder to tell the different (unless it's one of those Ferrari drink machines and then it just doesn't taste good anyway) Ok, enough of my Pepsi bias
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