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"Social brains"

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Blogger Unknown said...

The disciplines you cite are not polar opposites. They are simply asking and attempting to answer different questions. Obviously there are areas of overlap. In the overlap areas, there can be a synergy between the disciplines.

I don't think you are properly characterizing the sociobiology perspective. Sociobiology uses the work of philosophers and theologians as a way to validate their models and find inconsistencies that need to be addressed.

Just as in the past, religion and philosophy regarding creation have been informed by investigations of archeology and earth history, so too does sociobiology provide new areas for philosophy and other social sciences to explore. The problem for philosophers is that paradigm shifts can require extensive reworking of philosophy.

There is a need for religion and philosophy to incorporate the new findings of sociobiology regarding human culture and evolution. There is too much tendency to simply argue against old paradigms that have been superseded.

March 13, 2011 at 9:52 AM

Blogger Unknown said...

Super Interesting Stuff. Thanks a million.

One such debate on culture vs. nature is the extent to which we are disgusted by feaces. Mary Douglas says it's cultural ("matter out of place", as a result of arbitrary catagorizations made by humans). Valerie Curtis argues it's evolutionary biology (she argues that hygiene behaviour and disgust predate culture and so cannot fully be explained as its product).

I would be grateful if you could shed your light on this issue. It is critically important in light of the promotion of sanitition (worldwide 1,2 Billion people still practice Open Defacation) i.e. how you promote it would depend on the mechanism underlying digust?

The article in which Curtis lays out her argument against Mary Douglas is found here:

Curtis, V., de Barra, M. & Aunger, R. 2011 Disgust as
an adaptive system for disease avoidance behaviour.
Phil. Trans. R. Soc. B 366, 389–401. (doi:10.1098/
rstb.2010.0117)

Peter van Maanen

March 13, 2011 at 10:21 AM

Blogger Unknown said...

Super Interesting Stuff. Thanks a million.

One such debate on culture vs. nature is the extent to which we are disgusted by feaces. Mary Douglas says it's cultural ("matter out of place", as a result of arbitrary catagorizations made by humans). Valerie Curtis argues it's evolutionary biology (she argues that hygiene behaviour and disgust predate culture and so cannot fully be explained as its product).

I would be grateful if you could shed your light on this issue. It is critically important in light of the promotion of sanitition (worldwide 1,2 Billion people still practice Open Defacation) i.e. how you promote it would depend on the mechanism underlying digust?

The article in which Curtis lays out her argument against Mary Douglas is found here:

Curtis, V., de Barra, M. & Aunger, R. 2011 Disgust as
an adaptive system for disease avoidance behaviour.
Phil. Trans. R. Soc. B 366, 389–401. (doi:10.1098/
rstb.2010.0117)

Peter

March 13, 2011 at 10:22 AM

Blogger Unknown said...

The biological foundation for reciprocity (and ultimately, empathy) you seek can be found in the discovery of the mirror neuron system. See this pdf link. (If you can't connect to it, send me a reply comment and I'll email you the pdf.)

Interestingly, the dysfunction of this system is being researched as a possible basis for autism.

March 13, 2011 at 2:09 PM

Anonymous bobsnodgrass said...

I think that Wilson and Sociobiology are a historically important digression. Wilson was and is an insect biologist of the pre-genomic era. His famous Sociobiology: The New Synthesis stirred up controversy, including fierce attacks in the New York Review of Books, led by his Harvard colleagues Gould and Lewontin, who accepted many of Wilson’s premises, but exaggerated his support for genetic determinism.. Many liberal or leftist groups objected that gene-centered theories of behavior neglected social forces, inequality, etc. The Bell Curve, by Herrnstein and Murray, was a simplistic view of intelligence the factors that determine intelligence. Few brain scientists take Wilson, Gould (he’s dead) Lewontin, Herrnstein (also dead) or Charles Murray seriously today , although all made valid points. Four were Harvard Professors.

Heredity looks far more complex today than it did in 1975 or 2002 when some science journalists (Robin McKie) crowed that the human genome project showed us cures for many problems. That enthusiasm was premature. The interaction of heredity and environment is much more complex than appreciated in 2000. Humans have only about 22,000 genes, not many more than mice, less than rice. Each gene codes for a protein (occasionally more than one); proteins are almost constantly modified by post-translational processes like phosphorylation and acetylation. The human proteome, all the proteins that humans may produce and harbor- may exceed 500,000. Furthermore diet, infection and environmental stresses alter these processes. We are influenced by the billions of bacteria that live in and on our bodies- change the biome and you change us. Symbols certainly influence human behavior, many become enraged if flags, holy books etc. are destroyed. Genes don’t tell us which symbols are important.

It’s outmoded to speak of nature versus nurture. Poor children start school at considerable disadvantage –more likely to be exposed in utero to malnutrition, infection and toxic influences, their vocabulary is much smaller than that of children from privileged homes and it’s harder for them to be still in class. Some are rescued by personal interest of teachers, no question, but many drop out of school and are marginally employable in adult life. As a group they start out with a handicap, surmountable with personal effort and expensive adjustments. Many cultures and societies aren’t willing to assume that extra expense. Some effects of prenatal infection and toxicity are irreversible.

Like all animals, humans have been shaped by evolution. It gave us strong in-group loyalties, suspicion of outsiders and willingness to fight them (other humans were more dangerous to our hunter-gatherer ancestors than were tigers and snakes). It gave us intentionality- if we hear a noise, we assume that a sentient creature caused it, directly or indirectly. We quickly and wrongly detect patterns in random numbers or noise. Evolution produced a species that is always at war. Under stress, we are prone to quick binary decisions, for us or against us. This is shown by gambling behavior, which is amenable to experimental study. When tired or angry, we gamble less skillfully. Professional gamblers, card-counters for example, learn to enhance their memories and control their emotions. Those who are good at this are surely genetically different from others who try and fail. However, their genes are only part of the story.

Curious that your commenters focus on things such as fecal pollution of water supplies (undesirable but not in the top 20 world problems) and simplistic views of autism. Humans need to believe and seek simple answers. Only with difficulty can we be educated away from these biological tendencies. This issue- how evolution shaped us for primitive life but not modern life is discussed in a recent book by Nobel Laureate Christian de Duve, one of several great European scientists who came to the Rockefeller Institute after WW II. The book is called Genetics of Original Sin- not a final understanding, but worth reading.

March 16, 2011 at 2:38 PM

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