Millions of people around the world suffer from depression, the most common mental disorder of all. Since depression appears to be largely genetic, several long-standing questions continue to bedevil researchers. Have the genes for clinical unipolar depression undergone selective evolution–or is depression a random product of mutation, evolutionary drift, or other non-selective forces?
The symptoms of [...]... Read more »
Andrews, P., & Thomson, J. (2009) The bright side of being blue: Depression as an adaptation for analyzing complex problems. Psychological Review, 116(3), 620-654. DOI: 10.1037/a0016242
Watson, P. (2002) Toward a revised evolutionary adaptationist analysis of depression: the social navigation hypothesis. Journal of Affective Disorders, 72(1), 1-14. DOI: 10.1016/S0165-0327(01)00459-1
Hertel, Jochen Neuhof, Thomas Theue, G. (2000) Mood effects on cooperation in small groups: Does positive mood simply lead to more cooperation?. Cognition , 14(4), 441-472. DOI: 10.1080/026999300402754
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Flanders WD. (2006) On the relationship of sufficient component cause models with potential outcome (counterfactual) models. European journal of epidemiology, 21(12), 847-53. PMID: 17048084
The question of whether dinosaurs were endothermic has been a rich source of controversy for decades. Although they were originally portrayed as sluggish reptiles that crept their “cold-blooded” way through the Mesozoic, over time evidence has suggested that they may have actually had active and athletic lifestyles, with fast-running metabolisms to match. Everything from growth rates to diet to integument has been used as evidence that dinosaurs, if not as fully “war........ Read more »
Ancient Chinese road construction method preserves cliff ecosystems
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Cao, S., Ye, H., & Zhan, Y. (2009) Cliff roads: An ecological conservation technique for road construction in mountainous regions of China. Landscape and Urban Planning. DOI: 10.1016/j.landurbplan.2009.10.007
Take a look at this video from last night's episode of Jon Stewart's "The Daily Show."
If you'd like, you can skip past all the political snark to the 4:47 mark to watch Jon bring cognitive psychology into prime time (or at least latenight cable)! That's right; you saw it: Jon Stewart mentioned the psychological concept of "object permanence" on national TV. Object permanence was introduced by Jean Piaget as a way of measuring the growing cognitive ability of children. Three-month-olds don't ........ Read more »
KAMINSKI, J., CALL, J., & TOMASELLO, M. (2008) Chimpanzees know what others know, but not what they believe. Cognition, 109(2), 224-234. DOI: 10.1016/j.cognition.2008.08.010
The journal Archives of Internal Medicine has a several cracking research papers this week.
Low carb dieters are grumpier than those on low fat diets
First up is Brinkworth et al.’s research on the long-term psychological effects of low carbohydrate diets compared with low fat diets.
In this study, 106 overweight and obese individuals were randomly assigned to [...]... Read more »
Brinkworth GD, Buckley JD, Noakes M, Clifton PM, . (2009) Long-term Effects of a Very Low-Carbohydrate Diet and a Low-Fat Diet on Mood and Cognitive Function. Arch Intern Med, 169(20), 1873-1880. info:other/http://archinte.ama-assn.org/cgi/content/short/169/20/1873?home
Horwitz LI . (2009) Percentage of US Emergency Department Patients Seen Within the Recommended Triage Time: 1997 to 2006. Arch Intern Med, 169(20), 1857-1865. info:other/http://archinte.ama-assn.org/cgi/content/short/169/20/1857?home
Chen LM, Farwell WR, . (2009) Primary Care Visit Duration and Quality: Does Good Care Take Longer? . Arch Intern Med, 169(20), 1866-1872. info:other/http://archinte.ama-assn.org/cgi/content/short/169/20/1866?home
López L, Weissman JS, Schneider EC, Weingart SN, Cohen AP, . (2009) Disclosure of Hospital Adverse Events and Its Association With Patients' Ratings of the Quality of Care. Arch Intern Med, 169(20), 1888-1894. info:other/http://archinte.ama-assn.org/cgi/content/abstract/169/20/1888
The question of whether dinosaurs were warm-blooded or cold-blooded is one of the most enduring in palaeontology. Did they generate their own body heat like today's mammals; was their temperature more influenced by their environment like today's reptiles; or did they use a mixture of both strategies? Scientists have put forward a slew of arguments for all of these alternatives, but Herman Pontzer from Washington University has a new take on things which suggests that many dinosaurs were indeed w........ Read more »
Having trouble with your eyes? Well, then, let me have a look at it, because I have read stuff about eyes. I'll be prescribing glasses. Contact lenses don't work, because I don't understand how they can be made, so don't wear those. Got worms in your eyeball? Let me get a knife...... Read more »
William E. Smiddy. (2009) Evolution: Theory, Not Fact. ARCH OPHTHALMOL, 127(11), 1552-1553. info:/
Ebell MH, Siwek J, Weiss BD, Woolf SH, Susman J, Ewigman B, & Bowman M. (2004) Strength of recommendation taxonomy (SORT): a patient-centered approach to grading evidence in the medical literature. American family physician, 69(3), 548-56. PMID: 14971837
special online virtual issue of Cultural Anthropology on the topic of "Security"... Read more »
WELKER, M. (2009) “CORPORATE SECURITY BEGINS IN THE COMMUNITY”: Mining, the Corporate Social Responsibility Industry, and Environmental Advocacy in Indonesia. Cultural Anthropology, 24(1), 142-179. DOI: 10.1111/j.1548-1360.2009.00029.x
LAKOFF, A. (2008) THE GENERIC BIOTHREAT, OR, HOW WE BECAME UNPREPARED. Cultural Anthropology, 23(3), 399-428. DOI: 10.1111/j.1548-1360.2008.00013.x
MASCO, J. (2008) “SURVIVAL IS YOUR BUSINESS”: Engineering Ruins and Affect in Nuclear America. Cultural Anthropology, 23(2), 361-398. DOI: 10.1111/j.1548-1360.2008.00012.x
FELDMAN, I. (2007) DIFFICULT DISTINCTIONS: Refugee Law, Humanitarian Practice, and Political Identification in Gaza. Cultural Anthropology, 22(1), 129-169. DOI: 10.1525/can.2007.22.1.129
Fassin, D. (2005) Compassion and Repression: The Moral Economy of Immigration Policies in France. Cultural Anthropology, 20(3), 362-387. DOI: 10.1525/can.2005.20.3.362
Tyler McQuade (Florida State University, Tallahassee) and coworkers have synthesized a common anti-inflammatory drug in 10 minutes, using a series of adjoining microreactors, in a continuous format. This news feature was written on November 10, 2009.... Read more »
Influenza virus may be transmitted among humans in three ways: by direct contact with infected individuals; by contact with contaminated objects (called fomites, such as toys, doorknobs); and by inhalation of virus-laden aerosols. The contribution of each mode to overall transmission of influenza is not known. But something that most of us touch on a daily basis – paper currency – appears to be able to hold infectious virus for a surprisingly long period of time.... Read more »
by Vincent Racaniello in virology blog
Influenza virus may be transmitted among humans in three ways: by direct contact with infected individuals; by contact with contaminated objects (called fomites, such as toys, doorknobs); and by inhalation of virus-laden aerosols. The contribution of each mode to overall transmission of influenza is not known. But something that most of us touch on a [...]... Read more »
As psychology students past and present will be only too aware, statistics are a key part of every psychology undergrad course and they also appear in nearly every published journal article. And yet have we ever stopped to recognise the statisticians who have brought us these wonderful mathematical tools? As psychologist Daniel Wright puts it: "Statistical techniques are often taught as if they were brought down from some statistical mount only to magically appear in [the software package] SPSS......... Read more »
Daniel B Wright. (2009) Ten Statisticians and Their Impacts for Psychologists. Perspectives on Psychological Science, 4(6), 587-597. info:/
Lo Gorton (Lund University, Sweden) and coworkers have developed a prototype biosensor based on hardy bacteria. This news feature was written on November 10, 2009.... Read more »
Coman, V., Gustavsson, T., Finkelsteinas, A., von Wachenfeldt, C., Hägerhäll, C., & Gorton, L. (2009) Electrical Wiring of Live, Metabolically Enhanced Bacillus subtilis Cells with Flexible Osmium-Redox Polymers. Journal of the American Chemical Society, 131(44), 16171-16176. DOI: 10.1021/ja905442a
Here we go again.
I see that the kerfuffle over screening for cancer has erupted again to the point where it's found its way out of the rarified air of specialty journals to general medical journals and hence into the mainstream press. This is something that seems to pop up every so often, much to the consternation of lay people and primary care doctors alike, often trumpeted with breathless headlines along the lines of "What if everything you knew about screening was wrong?
It isn't, but some........ Read more »
Esserman, L., Shieh, Y., & Thompson, I. (2009) Rethinking Screening for Breast Cancer and Prostate Cancer. JAMA: The Journal of the American Medical Association, 302(15), 1685-1692. DOI: 10.1001/jama.2009.1498
A new study looks at roads, bridges, train tracks, and rivers as potential barriers to wildlife mobility. The researchers wanted to figure out what factors make these features more or less permeable to the movement of birds...... Read more »
Tremblay, M., & St. Clair, C. (2009) Factors affecting the permeability of transportation and riparian corridors to the movements of songbirds in an urban landscape. Journal of Applied Ecology. DOI: 10.1111/j.1365-2664.2009.01717.x
In the last couple of years there has been an explosion in research on faces and what can be inferred from them. It turns out, for example, that you can predict electoral outcomes from rapid and unreflective facial judgments, that women can (partially) determine a man's level of interest in infants from his face alone, that the facial expression of fear enhances sensory acquisition, and much, much else. A particularly interesting addition to this literature is Aaron Sell et. al.'s pape........ Read more »
Sell, A., Cosmides, L., Tooby, J., Sznycer, D., von Rueden, C., & Gurven, M. (2009) Human adaptations for the visual assessment of strength and fighting ability from the body and face. Proceedings of the Royal Society B: Biological Sciences, 276(1656), 575-584. DOI: 10.1098/rspb.2008.1177
Big Milk's onslaught of advertisements designed to look like newspaper articles continued last week with this full page feature in Canwest papers.I'm sure the Dairy Farmers of Canada were thrilled with Dr. Brian Roy, director of the Centre for Muscle Metabolism and Biophysics at Brock University, who happily perpetuated a dairy myth - that it magically helps with weight loss. Dr. Roy was quoted as saying, "While it may seem surprising, milk can even help people lose weight. Studies report calci........ Read more »
Barr SI. (2003) Increased dairy product or calcium intake: is body weight or composition affected in humans?. The Journal of nutrition, 133(1). PMID: 12514301
Snijder, M., van Dam, R., Stehouwer, C., Hiddink, G., Heine, R., & Dekker, J. (2008) A Prospective Study of Dairy Consumption in Relation to Changes in Metabolic Risk Factors: The Hoorn Study. Obesity, 16(3), 706-709. DOI: 10.1038/oby.2007.93
What do you get when you take pyrimidine molecules, freeze them in a vacuum to -340°F, then expose them to ultraviolet radiation you’d find in space? Think about it for a second. If you took a few extra credits in a college biology class, you may remember that your DNA contains purines and their chemical [...]... Read more »
Nuevo, M., Milam, S., Sandford, S., Elsila, J., & Dworkin, J. (2009) Formation of Uracil from the Ultraviolet Photo-Irradiation of Pyrimidine in Pure H O Ices . Astrobiology, 9(7), 683-695. DOI: 10.1089/ast.2008.0324
Quite some time ago my colleague and (now former) postdoctoral fellow, Iain Field, and I sat down to examine in gory detail the extent of the threat to global populations of sharks, rays and chimaeras (chondrichthyans). I don’t think we quite realised the mammoth task we had set ourselves. Several years and nearly a hundred [...]... Read more »
I.C. Field, M.G. Meekan, R.C. Buckworth, & C.J.A. Bradshaw. (2009) Susceptibility of Sharks, Rays and Chimaeras to Global Extinction. Advances in Marine Biology, 275-363. info:/10.1016/S0065-2881(09)56004-X
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