Recent reporting states Neanderthal's brain cavity is 10-20% larger than Homo sapien.
...Neanderthal cranial capacity is thought to have been as large as that of a Homo sapiens, perhaps larger, indicating their brain size may have been comparable, or larger, as well. In 2008, a group of scientists created a study using three-dimensional computer-assisted reconstructions of Neanderthal infants based on fossils found in Russia and Syria. The study showed Neanderthal and modern human brains were the same size at birth, but by adulthood, the Neandertal brain was larger than the modern human brain...
...Neanderthal cranial capacity is thought to have been as large as that of a Homo sapiens, perhaps larger, indicating their brain size may have been comparable, or larger, as well. In 2008, a group of scientists created a study using three-dimensional computer-assisted reconstructions of Neanderthal infants based on fossils found in Russia and Syria. The study showed Neanderthal and modern human brains were the same size at birth, but by adulthood, the Neandertal brain was larger than the modern human brain...
(Wikipedia,http://en.wikipedia.org/wiki/Neanderthal Sunday, 1 January 2012)
Liberals (American small L type) are prone to skepticism, and hence higher in anxiety and neuroticism. Conservatives (American big C type) have no such doubts, and hence need ask no further questions - everyone else has it wrong. With that sense of surity and lack of doubt comes a sense of entitlement unless it is tempered by compassion. Maybe religion exists to prevent the rich from eating the poor, and not the other way around, as is so often claimed.
...This elevated tendency for depressive and anxious disorders is compelling evidence of fundamental differences in the neurophysiological make-up of Liberals and Conservatives. Elevated depression and anxiety rates provide further evidence of a right hemispheric bias in the average Liberal. There is substantial evidence that the right hemisphere is more strongly linked with depressive and anxious disorders than the left.
The stronger the Liberal belief, the greater the probability of depression and anxiety. Conversely, the stronger the Conservative belief, the lower the probability of anxious disorders. However, depressive disorders do not follow this trend in the males, as the Very Conservatives were slightly more likely to have a depressive disorder than the regular Conservatives, but still much less than the average Liberal...
The stronger the Liberal belief, the greater the probability of depression and anxiety. Conversely, the stronger the Conservative belief, the lower the probability of anxious disorders. However, depressive disorders do not follow this trend in the males, as the Very Conservatives were slightly more likely to have a depressive disorder than the regular Conservatives, but still much less than the average Liberal...
In our March 2005 survey we found a few other things that could also be considered survival advantages for those with susceptibility towards depression.
The first is the enhanced tendency for multitasking. Multitasking is simply the ability to inter-mingle multiple unrelated behaviors simultaneously. The phenomenon of multitasking is common in animals that live in predator-rich environments, where attention to the environment is crucial during feeding, nesting, and mating behaviors. While humans generally do not live in predator-rich environments, there can be an advantage towards enhanced environmental focus while still attending to the tasks at hand.
Depressives (and the anxious) also have a stronger tendency towards offspring entitlement. It seems that depressives have a stronger desire for improving the material wealth of their children.
We also found evidence that depressives are more likely to follow societal rules. They are less likely to be involved in confrontations with others, especially violent confrontations. The depressives also tend to be much less competitive, thereby reducing the overall level of intra-group competition at work, school, or other social environments.
Brack and Zhang, October 2005
The first is the enhanced tendency for multitasking. Multitasking is simply the ability to inter-mingle multiple unrelated behaviors simultaneously. The phenomenon of multitasking is common in animals that live in predator-rich environments, where attention to the environment is crucial during feeding, nesting, and mating behaviors. While humans generally do not live in predator-rich environments, there can be an advantage towards enhanced environmental focus while still attending to the tasks at hand.
Depressives (and the anxious) also have a stronger tendency towards offspring entitlement. It seems that depressives have a stronger desire for improving the material wealth of their children.
We also found evidence that depressives are more likely to follow societal rules. They are less likely to be involved in confrontations with others, especially violent confrontations. The depressives also tend to be much less competitive, thereby reducing the overall level of intra-group competition at work, school, or other social environments.
Brack and Zhang, October 2005
retreived from Neuropolitics 30 December 2011
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