HOME >> BIOLOGY >> NEWS
For two primates, patience takes different forms, shaped by ecology

Across the animal kingdom, individuals face choices between patience and impulsivity. A classic case, confronted by all animals--humans included--is that between a small, immediate food reward and a delayed, but larger, reward. In such cases, impulsivity typically trumps patience as individuals fail to delay gratification. But what factors influence these decisions? Researchers have gained new insight into this question by showing that the particular ways in which animals exhibit patience and impulsivity differ from one context to another and may be closely related to the animals' ecological niches and their everyday interactions with the natural world.

Comparing two monkey species with very different food-gathering strategies, the researchers show that the species exhibit differing propensities toward patience and impulsivity, depending on the context of the choice being made--for example, whether the trade-off for reward is temporal (waiting for a reward) or spatial (traveling for a reward). The work is reported by Jeffrey Stevens, Marc Hauser, and colleagues at Harvard University.

Earlier work by others had demonstrated that two species of New World monkeys--cotton-top tamarins (Saguinus oedipus) and common marmosets (Callithrix jacchus)--behave impulsively, only waiting between eight and twenty seconds to receive a threefold increase in food reward. Those results also showed a significant species difference: Marmosets waited almost twice as long as tamarins for the larger reward. This pattern is consistent with each species' foraging adaptations: Marmosets primarily feed on tree exudates, a food that requires the patience to wait for sap to exude, whereas tamarins feed on insects, a food that requires quick, impulsive action. Yet it had been unclear whether this impulsivity depended on context.

In the new work, the researchers tested whether these same two monkey species act impulsively "over space" as well as over time. The scientists fo
'"/>

Contact: Heidi Hardman
hhardman@cell.com
1-617-397-2879
Cell Press
24-Oct-2005


Page: 1 2

Related biology news :

1. Instant steam takes on MRSA
2. FDA Nanotechnology Task Force takes positive step forward
3. Ossurs PROPRIO FOOT takes the Gold 2007 Medical Design Excellence Award
4. Whats going on in the body? Advanced time-of-flight PET takes a superior look
5. Hepatitis E takes a piggyback
6. Biodesign Institute takes part in $14.4M NIH chemical defense grant
7. The time it takes to reassemble the world
8. Bumblebee house warming -- it takes a village
9. It takes a village -- female ducks negotiate joint rearing of ducklings
10. Tuberculosis: The bacillus takes refuge in adipose cells
11. P(acman) takes a bite out of deciphering Drosophila DNA

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: For two primates patience takes different forms shaped ecology

(Date:1/22/2015)... 15, 2015  BellBrook Labs, a leader in high ... launch of a TR-FRET (time resolved Forster resonance ... Assay, a high throughput screening assay for glycosyltransferases ... allow for sensitive detection of hundreds of human ...
(Date:1/22/2015)... Jan. 21, 2015  Analyst Report Issued by Small Cap IR. ... showed that planet-wide, transactions at merchants on the leading payment ... number of credit, debit, and prepaid cards reached 6.54 billion.  ... of fraudulent card usage in 2012, and credit and debit ...
(Date:1/22/2015)... N.C. , Jan. 22, 2015 Infinisource has launched ... of the G2 model. The G2 sets a higher standard ... iSolved human capital management solution. With plug-and-play installation, touch screen ... time clock provides a robust time collection solution for the ...
Breaking Biology News(10 mins):BellBrook Labs Launches a High Throughput Screening Assay for Glycosyltransferases with TR-FRET Readout 2$4.80 Near Term Price Target with "Buy" given by CapRock Research for NXT-ID, Inc. (NASDAQ: NXTD) issued by Small Cap IR 2Infinisource's NXG series sets new time clock standard 2
(Date:1/22/2015)...  Transwestern | RBJ today announces the firm brokered a long-term ... a leading biopharmaceutical company, at Two Ledgemont Center in ... Richards , president, and Brian Cohen , senior vice ... building at 95 Hayden Ave. Photo - ...
(Date:1/22/2015)... BOSTON , Jan. 22, 2015  Transwestern | RBJ today ... feet of office space for Shire a leading biopharmaceutical company, ... . Transwestern | RBJ,s Robert Richards , president, and ... the lease for the entire five-floor building at 95 Hayden ...
(Date:1/22/2015)... 2015 The laboratory information management systems ... a number of technological advancements due to factors such ... need to integrate healthcare systems, and increasing government support ... system integration. Key players in the market focus on ...
(Date:1/22/2015)... (PRWEB) January 22, 2015 Crystal Diagnostics (CDx) ... that it has received AOAC-PTM Certifications for the six non-O157 ... and O145; collectively referred to as STEC or the “Big-6”) ... colony forming unit (cfu) per 325 g of raw ground ...
Breaking Biology Technology:Transwestern | RBJ Advises Shire in 202,000 SF Lease, Creating Boston's Largest Suburban Biotech Campus 2Transwestern?RBJ Advises Shire in 202,000 SF Lease, Creating Boston's Largest Suburban Biotech Campus 2Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 2Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 3Laboratory Information Management Systems Market is Expected to Reach $1,323.6 Million by 2019 - New Research Report by MarketsandMarkets 4Crystal Diagnostics Awarded AOAC-PTM Accreditation for the Rapid Detection of “Big 6” E.coli Food Pathogens 2
Cached News: