Navigation Links
UCSB anthropologist studies reciprocity among chimpanzees and bonobos
Date:11/20/2012

(Santa Barbara, Calif.) When your neighbor asks to borrow a cup of sugar and you readily comply, is your positive response a function of the give and take that characterize your longstanding relationship? Or does it represent payment or prepayment for the cup of sugar you borrowed last week, or may need to borrow a month from now?

Adrian Jaeggi, a postdoctoral researcher in anthropology at UC Santa Barbara, and a junior research fellow at the campus's SAGE Center for the Study of the Mind, is studying this question of reciprocity, using chimpanzees and bonobos as his test subjects. His findings appear in the current online issue of the journal Evolution & Human Behavior.

"The article focuses on the question of whether individuals do favors because they expect them to be reciprocated at some other time, and, more specifically, whether such exchanges have to happen immediately, or can take place over longer time spans," Jaeggi explained. "We studied the question in chimpanzees and bonobos our two closest living relatives and looked at the exchanges of grooming and food sharing, which are two common types of favors among these apes."

According to Jaeggi, while results of his research provide some evidence for immediate exchanges, they more strongly support the notion that favors are exchanged over long periods of time. Calculated exchanges, in which individuals keep a detailed score of past interactions, are much less common than the more loosely balanced exchanges that take place in stable relationships.

"In the chimp group we studied, we knew there was a lot of this long-term exchange," said Jaeggi. "We didn't find any evidence for a short-term effect." Chimpanzees live in stable social groups, he continued, and have a relatively long life span. They recognize others in the group, form long-term relationships, and associate with individuals who have helped them in the past.

"In the wild, for example, chimp
'/>"/>

Contact: Andrea Estrada
andrea.estrada@ia.ucsb.edu
805-893-4620
University of California - Santa Barbara
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. UCSB anthropologists finds high levels of omega-3 fatty acids in breast milk of Amerindian women
2. University of Tennessee anthropologists find American heads are getting larger
3. Anthropologist finds explanation for hominin brain evolution in famous fossil
4. Fruit fly studies guide investigators to misregulated mechanism in human cancers
5. Studies in Cell Transplantation investigate oxygens impact as a factor in transplantation
6. Recent studies bring fossils and genes together to piece together evolutionary history
7. Study suggests caution and further studies on drugs used to treat macular degeneration
8. Newly demonstrated capabilities of low-powered nanotweezers may benefit cellular-level studies
9. Studies of Desoto canyon and shelf in Gulf of Mexico uncover upwelling during Hurricane Isaac
10. Noteworthy studies at the ESMO 2012 Congress
11. Oil from algae closer to reality through studies by unique collaboration of scientists
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
UCSB anthropologist studies reciprocity among chimpanzees and bonobos
(Date:12/22/2014)... , Dec. 22, 2014  NXT-ID, Inc. (NASDAQ: ... a biometric authentication company focused on the growing mobile ... and security consultant, Apollo Robbins for the ... wallet.  Apollo Robbins will ... th , 2015, demonstrating some of his famous theft ...
(Date:12/19/2014)... 2014 Research and Markets ( http://www.researchandmarkets.com/research/86ncd6/micro_market ... Market Monitor: North America Perimeter Security Systems Market" ... http://photos.prnewswire.com/prnh/20130307/600769 The North American perimeter security ... 3.6% from 2014 to 2019. Although the U.S. market ... Canada is expected to grow at a ...
(Date:12/17/2014)... Va. , Dec. 15, 2014 ... to make it easier to detect and prevent ... Today the agency started performing an ... capability will validate the authenticity of purchased microcircuits ... The new quality control measures will be conducted ...
Breaking Biology News(10 mins):NXT-ID Hires Master Pickpocket and Security Consultant Apollo Robbins for Wocket Smart Wallet CES 2015 Debut 2NXT-ID Hires Master Pickpocket and Security Consultant Apollo Robbins for Wocket Smart Wallet CES 2015 Debut 3NXT-ID Hires Master Pickpocket and Security Consultant Apollo Robbins for Wocket Smart Wallet CES 2015 Debut 4Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 3Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 2Defense Logistics Agency Launches DNA Marking Capability to Strengthen Microcircuit Supply Chain 3
... An accidental discovery in a laboratory at Oregon State University ... has absorbed the energies of ancient Egyptians, the Han dynasty ... a near-perfect blue pigment. Through much of recorded human ... could be used to paint things blue, often with limited ...
... are a serious threat to human society. They are also ... at the University of Gothenburg are attempting to find substances ... ensure that the drugs of today remain effective into the ... particularly serious in drugs against fungi. Fungal cells are similar ...
... This release is available in German . ... in the cells of their victim in order to ,reprogram, them. ... live, making lots of new viruses instead. Luckily, in ... ensured by the cells, own sensors that recognise alien genetic material. ...
Cached Biology News:Accidental discovery produces durable new blue pigment for multiple applications 2Slowing evolution to stop drug resistance 2Study shows link between influenza virus and fever 2
(Date:12/22/2014)... VIEJO, Calif. , Dec. 22, 2014  ( ... that CoPatient, an online medical bill review and advocacy ... offering in the FREE WellCard Savings discount health services ... medical bill that was more than they expected to ... members reduce health care costs, WellCard Savings is pleased ...
(Date:12/22/2014)... 22, 2014 ITRA Global, one of ... of commercial real estate, has further expanded its global ... Perth and Brisbane, Western Australia, reports Mylinda Vick, CCIM, ... ITRA Global / ACORPP (Australian Corporate Property and ... company providing property services to a wide range of ...
(Date:12/19/2014)... OR and Hershey, PA (PRWEB) December 19, 2014 ... Pink: BJCT), a leading developer and manufacturer of ... entered into an agreement with Immunomic Therapeutics, Inc. ... Biojector®-2000 needle-free injection device with its LAMP™ vaccine ... an option for an exclusive Worldwide license to ...
(Date:12/19/2014)... 19, 2014 BioPlus Specialty Pharmacy ... announces the promotion of Nick Maroulis, Pharm.D. to the ... Services. , In this position, Dr. Maroulis will ... managing the directors of our multi-site pharmacies as the ... 1997 and during that time he has served in ...
Breaking Biology Technology:WellCard Savings Announces CoPatient Medical Bill Review Service for Members 2ITRA Global Continues International Expansion in Perth and Brisbane, Australia 2Bioject and Immunomic Therapeutics Enter into an Agreement for License of Needle-Free Technology for LAMP-vax Vaccines 2Bioject and Immunomic Therapeutics Enter into an Agreement for License of Needle-Free Technology for LAMP-vax Vaccines 3BioPlus Specialty Pharmacy Promotes Dr. Nick Maroulis to Vice President of Specialty Pharmacy Services 2
... and AALST , Belgium, AHMEDABAD, India and ... genae associates,Cardiovascular Center Aalst and J.B. Dahm, ... Core Laboratories joint venture, called imaeon., ... of medical images,analysis for clinical research projects, ...
... EDMONTON, Oct. 6 /PRNewswire-FirstCall/ - BioMS Medical ... of multiple sclerosis (MS), today,announced that the independent ... II MINDSET-01 trial of dirucotide (MBP8298) in patients,with ... recommended,that the trial continue as per the protocol., ...
... focus on a new dietary supplement resulting from years of, ... ... Del-Immune V, BOULDER, Colo., Oct. 6 On ... regulatory,cytokines Del-Immune V(R) induction and its impact on cytotoxicity of,natural killer cells" ...
Cached Biology Technology:Core Laboratories Joint Venture Agreement Between genae associates, VIBGYOR Scientific Research, Cardiovascular Center Aalst and J.B. Dahm 2BioMS Medical's relapsing-remitting multiple sclerosis trial receives positive review from Data Safety Monitoring Board 2EUPROBIO 2008 Presentation to Highlight Latest Immune Research 2
Lentigen's manufacturing platform is sufficiently versatile for use in the manufacture of any HIV-based Lentiviral vector. Lentigen will manufacture your LV of choice to the highest possible titer a...
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Bethyl Laboratories packages antibodies, conjugates and calibrators to provide quantitative ELISA kits. Each kit contains the following components, sufficient for 1000 single well assays....
Biology Products: