Post List

  • November 2, 2014
  • 09:47 AM
  • 113 views

The heritability of fears

by EE Giorgi in CHIMERAS

Cyborg © EEGAs many of you know, one of my favorite topics here on the blog is epigenetic inheritance, i.e. the mechanisms that regulate changes in gene expression that can be passed from one generation to the next. Epigenetics has revolutionized the way we look at genetic inheritance: Darwin had taught us that the only way the environment can shape the genome of a species is through natural selection. While this is certainly still true, today we also know that:1) Most of the mutations we see i........ Read more »

  • November 1, 2014
  • 11:55 PM
  • 119 views

From realism to interfaces and rationality in evolutionary games

by Artem Kaznatcheev in Evolutionary Games Group

As I was preparing some reading assignments, I realized that I don’t have a single resource available that covers the main ideas of the interface theory of perception, objective versus subjective rationality, and their relationship to evolutionary game theory. I wanted to correct this oversight and use it as opportunity to comment on the philosophy […]... Read more »

Kaznatcheev, A., Montrey, M., & Shultz, T.R. (2014) Evolving useful delusions: Subjectively rational selfishness leads to objectively irrational cooperation. Proceedings of the 36th annual conference of the cognitive science societ. arXiv: 1405.0041v1

  • November 1, 2014
  • 01:14 PM
  • 112 views

Where HIV hides

by Gabriel in Lunatic Laboratories

HIV is hard to get rid of,not because it primarily resides in the blood, but because of where it hides when antiretrovirals drop HIV levels. So the real question is where does HIV hide? Unfortunately those antiretroviral drugs can usually control the virus, but can’t completely eliminate it. So any strategy to eradicate HIV from the body has to take into account not only the main group of immune cells the virus targets, called CD4 or helper T cells, but other infected cells as well.... Read more »

  • November 1, 2014
  • 11:09 AM
  • 123 views

Paranormal Blindness

by Rodney Steadman in Gravity's Pull

Inattentional blindness and low working memory capacity may influence paranormal belief/experience.... Read more »

Richards A, Hellgren M, & French C. (2014) Inattentional blindness, absorption, working memory capacity, and paranormal belief. Psychology of Consciousness: Theory, Research, and Practice., 1(1), 60-69. DOI: 10.1037/css0000003  

  • November 1, 2014
  • 06:07 AM
  • 130 views

Early childhood atopy and autism risk

by Paul Whiteley in Questioning Answers

De profundis clamo ad te, domineRegular readers will probably have heard something like this before so I'm sorry if I'm repeating myself: "The presence of any atopic disease in early childhood increased the risk of developing ADHD [attention deficit hyperactivity disorder]... and ASD [autism spectrum disorder]... in later life".So said Mu-Hong Chen and colleagues [1] with yet another 'big data' paper coming out of Taiwan.There is little point in me turning this research into some ........ Read more »

Chen MH, Su TP, Chen YS, Hsu JW, Huang KL, Chang WH, Chen TJ, Pan TL, & Bai YM. (2014) Is atopy in early childhood a risk factor for ADHD and ASD? A longitudinal study. Journal of psychosomatic research, 77(4), 316-21. PMID: 25280829  

  • November 1, 2014
  • 05:42 AM
  • 119 views

Strange, Vampire-like Deer Still Alive in Afghanistan

by beredim in Strange Animals

Musk deers use their distinctive fungs tusks during the rutting season  to compete with other males.Photo shows a Siberian musk deer, a similar and closelyrelated species.Credit: Julie Larsen Maher © WCSIt's been more than 60 years after the last confirmed sighting of the Kashmir musk deer in Afganistan, a strange deer with vampire-like fangs native to Afghanistan, Republic of India, and Pakistan.Now, a new study appearing in the latest edition of the journal Oryx reveals that the Kas........ Read more »

  • October 31, 2014
  • 04:05 PM
  • 131 views

New Genetic Editing Technique Offers Novel Treatment of Defects

by Gabriel in Lunatic Laboratories

The promises of genetic modifications are endless, longer life, better health, cures for genetic based diseases that would otherwise cause an unimaginable amount of suffering all wiped out. We’ve come a long way in genetic alteration thanks, in part, to the ever faster moving pace of science. While genetic modification is the thing of horror movies, it also can change the world in ways we cannot even imagine — unfortunately getting genome-editing proteins into cells, where they need to be t........ Read more »

  • October 31, 2014
  • 12:05 PM
  • 133 views

I Need How Many Calories? Caloric Needs in Bulimia Nervosa Patients

by Tetyana in Science of Eating Disorders


In the 1980s, a few studies came out suggesting that patients with bulimia nervosa (BN) require fewer calories for weight maintenance than anorexia nervosa patients (e.g., Newman, Halmi, & Marchi, 1987) and healthy female controls (e.g., Gwirtsman et al., 1989).
Gwirtsman et al. (1989), after finding that patients with bulimia nervosa required few calories for weight maintenance than healthy volunteers, had these suggestions for clinicians:
When bulimic patient........ Read more »

de Zwaan, M., Aslam, Z., & Mitchell, J.E. (2002) Research on energy expenditure in individuals with eating disorders: a review. International Journal of Eating Disorders, 31(4), 361-9. PMID: 11948641  

Gwirtsman, H.E., Kaye, W.H., Obarzanek, E., George, D.T., Jimerson, D.C., & Ebert, M.H. (1989) Decreased caloric intake in normal-weight patients with bulimia: comparison with female volunteers. American Journal of Clinical Nutrition, 49(1), 86-92. PMID: 2912015  

  • October 31, 2014
  • 11:48 AM
  • 126 views

Halloween Special: The Drosophila Halloween Genes

by Bethany Christmann in Fly on the Wall

In the movies, spooks and phantoms are often undead humans with unfinished business. But would you be afraid of a ghostly fruit fly? In 1995, fruit fly researchers Christiane Nüsslein-Volhard and Eric Wieschaus were awarded a Nobel Prize for their research on development. They were interested in understanding how a fertilized egg develops into a complex […]... Read more »

  • October 31, 2014
  • 11:44 AM
  • 118 views

Tissue-specific genome editing in Ciona embryos by CRISPR/Cas9

by Shashank Gandhi in the Node

Researchers have always been interested in tissue-specific loss of function to probe the role of specific genes in embryonic development, cell physiology and disease conditions. Migration of lateral plate primordial germ cells in zebrafish, border cell migration during oogenesis in drosophila, interaction of T-cells with their target, and numerous other cases have continued to give […]... Read more »

Stolfi, A., Gandhi, S., Salek, F., & Christiaen, L. (2014) Tissue-specific genome editing in Ciona embryos by CRISPR/Cas9. Development, 141(21), 4115-4120. DOI: 10.1242/dev.114488  

  • October 31, 2014
  • 11:15 AM
  • 120 views

Canonical circuits in neuroscience

by neuroecology in Neuroecology

Gary Marcus, Adam Marblestone, and Thomas Dean have a nice perspective piece in Science this week on the atoms of neural computation (gated): One hypothesis is that cortical neurons form a single, massively repeated “canonical” circuit, characterized as a kind of a … Continue reading →... Read more »

  • October 31, 2014
  • 11:14 AM
  • 97 views

NS1: It’s all about location, location, location

by Clay Clark in Biochem Blogs

  Viruses are minimalists when it comes to genomic data. This light packing of genetic information requires that every protein the virus codes for needs to be as versatile as possible. The flavivirus genus is no exception to this; its genome encodes for three structural proteins (capsid, membrane, and envelope) and seven nonstructural proteins (NS1, […]... Read more »

  • October 31, 2014
  • 07:02 AM
  • 100 views

Male? Don’t watch comedy videos prior to trial presentations…

by Doug Keene in The Jury Room

Many have written about men being over-confident in comparison to women–although all of us may be more confident in our abilities than we generally should be. Prior research has shown us that men are more confident than women, and that happy people tend to view themselves more positively and happy people actually often perform better […]

Related posts:
So, potential juror, how much online porn do you watch?
Male body shame and aggression against women (“rape proclivity”........ Read more »

Ifcher, J., & Zarghamee, H. (2014) Affect and overconfidence: A laboratory investigation. Journal of Neuroscience, Psychology, and Economics, 7(3), 125-150. DOI: 10.1037/npe0000022  

  • October 31, 2014
  • 06:37 AM
  • 105 views

Mind Blowing Brain Cases: The Man With A Hole In His Head

by Elisabeth Buhl Thubron in United Academics

In this series neuroscientist Elisabeth Buhl Thubron takes a closer look at intriguing brain cases that revolutionised the field. Part I: The Man With A Whole In His Head... Read more »

Harlow JM. (1999) Passage of an iron rod through the head. 1848. The Journal of neuropsychiatry and clinical neurosciences, 11(2), 281-3. PMID: 10334003  

Ratiu P, Talos IF, Haker S, Lieberman D, & Everett P. (2004) The tale of Phineas Gage, digitally remastered. Journal of neurotrauma, 21(5), 637-43. PMID: 15165371  

Van Horn JD, Irimia A, Torgerson CM, Chambers MC, Kikinis R, & Toga AW. (2012) Mapping connectivity damage in the case of Phineas Gage. PloS one, 7(5). PMID: 22616011  

  • October 31, 2014
  • 06:22 AM
  • 74 views

TSC1 is required for iNKT cell maturation and function

by Lizzie Perdeaux in BHD Research Blog

Invariant Natural Killer T (iNKT) cell development is highly regulated, starting at stage 0, where DP thermocytes become committed to the iNKT cell lineage, and ending as fully mature stage 3 iNKT cells, which are capable of illiciting an immune … Continue reading →... Read more »

Wu J, Yang J, Yang K, Wang H, Gorentla B, Shin J, Qiu Y, Que LG, Foster WM, Xia Z.... (2014) iNKT cells require TSC1 for terminal maturation and effector lineage fate decisions. The Journal of clinical investigation, 124(4), 1685-98. PMID: 24614103  

  • October 31, 2014
  • 06:08 AM
  • 52 views

The psychology of "mate poaching" - when you form a relationship by taking someone else's partner

by BPS Research Digest in BPS Research Digest

According to one estimate, 63 per cent of men and 54 per cent of women are in their current long-term relationships because their current partner "poached" them from a previous partner. Now researchers in the US and Australia have conducted the first investigation into the fate of relationships formed this way, as compared with relationships formed by two unattached individuals.An initial study involved surveying 138 heterosexual participants (average age 20; 71 per cent were women) four times o........ Read more »

  • October 31, 2014
  • 05:06 AM
  • 131 views

Caesarean section births and autism risk?

by Paul Whiteley in Questioning Answers

It was a familiar story. Big media headlines such as: Caesarean sections 'may increase risk of autism' appearing all over, but when it came to finding the study behind the headlines, the publishing journal seemed to be trailing a little way behind. We've been in a similar situation before."As the flames rose to her Roman nose"Anyhow, the paper by Eileen Curran and colleagues [1] (open-access) has finally made it to the research table and hence is fodder for today's ramblings with the sugges........ Read more »

  • October 30, 2014
  • 03:45 PM
  • 124 views

Zombies: Science Fiction vs. Fact

by Gabriel in Lunatic Laboratories

Well in the spirit of Halloween I thought I would make a nice little zombie post. Zombies, those brain loving little guys, [and girls] are everywhere. From shows like The Walking […]... Read more »

Lafferty KD. (2006) Can the common brain parasite, Toxoplasma gondii, influence human culture?. Proceedings. Biological sciences / The Royal Society, 273(1602), 2749-55. PMID: 17015323  

Vyas A, Kim SK, Giacomini N, Boothroyd JC, & Sapolsky RM. (2007) Behavioral changes induced by Toxoplasma infection of rodents are highly specific to aversion of cat odors. Proceedings of the National Academy of Sciences of the United States of America, 104(15), 6442-7. PMID: 17404235  

Thomas, F., Schmidt-Rhaesa, A., Martin, G., Manu, C., Durand, P., & Renaud, F. (2002) Do hairworms (Nematomorpha) manipulate the water seeking behaviour of their terrestrial hosts?. Journal of Evolutionary Biology, 15(3), 356-361. DOI: 10.1046/j.1420-9101.2002.00410.x  

W. Wesołowska T. Wesołowski. (2014) Do Leucochloridium sporocysts manipulate the behaviour of their snail hosts?. Journal of Zoology , 292(3), 151-155. info:/10.1111/jzo.12094

  • October 30, 2014
  • 11:20 AM
  • 112 views

Alcoholism as a Reward System Dysfunction

by William Yates, M.D. in Brain Posts

Alcoholism and other addictive behaviors often occur together within individual patients.For example, individuals with alcoholism commonly also are smokers and meet criteria for a diagnosis of nicotine dependence.This co-occurrence suggests multiple types of addiction may share genetic and environmental risk factors. Additionally, there might be a common neurobiological mechanism in play for many addictions.Kenneth Blum and other leading alcoholism researchers recently published a review that pr........ Read more »

  • October 30, 2014
  • 09:57 AM
  • 109 views

Resourceful Crustaceans Turn Invasive Seaweed into Homes

by Elizabeth Preston in Inkfish

When a new developer comes to town and starts aggressively building up the empty property around your home, you can get mad—or you can move in. That’s what tiny crustaceans in the Georgia mudflats have done. Facing an invasive Japanese seaweed, they’ve discovered that it makes excellent shelter, protecting them from all kinds of threats. […]The post Resourceful Crustaceans Turn Invasive Seaweed into Homes appeared first on Inkfish.... Read more »

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