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Mom’s Evolutionary Influence for Selfish Behavior

Mom's Evolutionary Influence for Selfish Behavior  A new theory suggests evolutionary dispersal patterns have influenced the genes that determine our social behavior.

Researchers from Oxford University and the University of Tennessee, Knoxville, examined the impact that genes knowing which parent they come from — a process scientists call “genomic imprinting” — has on how selfish or altruistic they want their carriers to be.

Historically, women moved around geographically more than men, and so are less related to their neighbors.

Consequentially, the researchers suggest that our paternal and maternal genes are in conflict over how we should behave. The scientists believe that our paternal genes encourage us to be more altruistic while our maternal genes encourage us to be more selfish.

“When women disperse more during their lifetime than men, as seems to be the case for ancestral humans, this leads to you being more related to your neighbors through your father than through your mother,” said Dr. Andy Gardner of Oxford University’s Department of Zoology.

The genes you receive from your father are telling you to be kind to your neighbors, whereas the genes you receive from your mother may encourage you to act more selfishly.

Mutations in imprinted genes have previously been linked to growth disorders in infants and, more recently, it has been suggested that they could underpin neurological disorders such as autism and psychosis.

This study reveals how such disorders of the social brain can evolve by mutations favoring the expression of paternal genes (favoring altruism) or maternal genes (favoring selfishness).

“What our research reveals is that the popular idea of someone battling their psychological ‘demons’,” noted Dr. Gardner, “that are telling them to behave in a selfish way, has some basis in our genetic makeup — we are all coalitions of conflicting genes.”

A report of their research is published in the journal Evolution.

Source: Oxford University

Mom’s Evolutionary Influence for Selfish Behavior

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Mom’s Evolutionary Influence for Selfish Behavior. Psych Central. Retrieved on May 20, 2018, from https://psychcentral.com/news/2010/09/07/moms-evolutionary-influence-for-selfish-behavior/17780.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.