Mum, I would suggest you Google Left Brain-Right Brain. Read several of the articles there. This will explain to you the differences.
You may be interested in this:
Right and Left Brain Hemispheric Biases in Political and Religious Tendencies: Part 1
C. Brack and X. Zhang
I. Summary
A self-assessment Internet survey was conducted by Brack and Zhang on Neuro-politics.com. The survey collected 490 questionnaires, which were subsequently cleansed for 48 cases of probable duplicate or incomplete responses. This left 442 usable questionnaires, of which 218 indicated support for George W. Bush, 195 for John Kerry, and 29 for unspecified other candidates. This survey period was January 28 through March 4, 2005. The survey questions were adapted from similar left-right brain surveys, with slight variations. Additional questions were included to determine family birth order, political affiliations, and strength of religious belief.
The survey indicated a statistically significant left hemispheric bias, (p < .02), for subjects that described themselves as Conservative as compared to both Moderates and Liberals. (For this statistic, we have combined the Very Conservative into the Conservative cohort. We have also combined the Very Liberal into the Liberal cohort). When not combined, this left hemispheric bias was exacerbated in subjects that described themselves as Very Conservative.
There was a statistically significant right hemispheric bias, (p < .01) for subjects that described themselves as Liberal, as compared to Conservatives and Moderates. (For this statistic, we have combined the Very Conservative into the Conservative cohort. We have also combined the Very Liberal into the Liberal Cohort). When not combined, this right hemispheric bias was exacerbated in subjects that described themselves as Very Liberal.
Liberals
had a slightly lower l[I]eft hemisphere score than
Moderates, but this was not statistically significant.
Moderates exhibited a slightly higher
right hemisphere score than
Conservatives, but this too was not statistically significant.[/I]
Moderates exhibited the smallest mean difference between left and right responses, and also had the lowest average left + right responses.
The survey results are consistent with the hypothesis of general left hemispheric biases for Conservatives and general right hemispheric biases for Liberals, and more neutral biases for Moderates.
Relative to Conservatives, Liberals tend to exhibit a more right-brained orientation for language processing and simple arithmetic processing, reality model building, creativity and artistic expression, and emotional processing.
Relative to Liberals, the left-brain oriented Conservatives tend to exhibit enhanced literal language processing skills, exact arithmetic calculation skills, a greater tendency to build binary reality models of the world (i.e., "Good" and "Evil"), a greater tendency for belief-bias, and an enhanced time-vector orientation.
Moderates
exhibit a more blended attribute mix, with equivalent simple arithmetic skills as the [I]Conservatives, but a lesser ability in literal language processing that is more comparable to
Liberals. Moderates show enhanced time-vector orientation when compared to
Liberals, and a lower tendency to build binary reality-models of the world than
Conservatives.
Moderates tend to exhibit less belief-bias than the
Conservatives.
Moderates generally fall in between
Conservatives and
Liberals in many of the questions.[/I]
Those indicating support for George W. Bush had a statistically significant left hemispheric bias, (p < .02). Those indicating support for John Kerry had a statistically significant right hemispheric bias (p < .01).
The survey indicated a statistically significant left hemispheric bias, (p < .01), for subjects that described themselves as Very Religious as compared to both Not Religious and A Little Religious.
There was also a statistically significant right hemispheric bias, (p < .02), for subjects that described themselves as Not Religious as compared to Very Religious
There was also a statistically significant right hemispheric bias, (p < .06), for subjects that described themselves as a Little Religious as compared to Very Religious.
The Very Religious mirror the Conservative cohorts quite closely with general left hemispheric biases. They exhibit a similar tendency for belief-bias and binary reality models, exact simple arithmetic skills, enhanced time-vector orientation, enhanced literal language processing skills, and a lesser tendency for right-brained emotional processing.
The Not Religious mirror the Liberals quite closely with their general right hemispheric biases. They exhibit similar deficits at literal language processing and exact simple arithmetic processing when compared to the Very Religious. They exhibit a slightly higher tendency than the Liberals for belief-bias and binary reality model building, but much less than the Very Religious. They exhibit less right brain emotional processing attributes than the Liberals, but still higher than the Very Religious. Breaking pattern, they are less likely to exhibit affective language.