Author Archives: BrainiYak

Could inhibiting or functionally removing the brain’s suprachiasmatic nucleus improve memory in elderly people — who have chronic problems sleeping? — A finding in Siberian hamsters hints “maybe” Comments Off

© 2014 Peter Free Citation — to study Fabian Fernandez, Derek Lu, Phong Ha, Patricia Costacurta, Renee Chavez, H. Craig Heller, and Norman F. Ruby, Dysrhythmia in the suprachiasmatic nucleus inhibits memory processing, Science 346(6211): 854-857, DOI: 10.1126/science.1259652 (14 November 2014) Citation — to press release Bjorn Carey, Stanford biologists explore link between memory deficit […]

Comparing actual past ecological niches — to those predicted by backward looking climate models — has apparently demonstrated that existing models move species too far south — during the Last Glacial Maximum Comments Off

© 2014 Peter Free Citation — to study Edward Byrd Davis, Jenny L. McGuire, and John D. Orcutt, Ecological niche models of mammalian glacial refugia show consistent bias, Ecography 37(11): 1133–1138, DOI: 10.1111/ecog.01294 (November 2014) Citation — to press release Jim Barlow, Fossils cast doubt on climate-change projections on habitats, University of Oregon (18 November […]

Myocardial infraction (heart attack) is apparently characterized by 2 — not 1 — stages of edema after reperfusion in pigs — says a small study — are humans the same? Comments Off

© 2014 Peter Free Citation — to study Rodrigo Fernández-Jiménez, Javier Sánchez-González, Jaume Aguero, Jaime García-Prieto, Gonzalo J. López-Martín, José M. García-Ruiz, Antonio Molina-Iracheta, Xavier Rosselló, Leticia Fernández-Friera, Gonzalo Pizarro, Ana García-Álvarez, Erica Dall’Armellina, Carlos Macaya, Robin P. Choudhury, Valentin Fuster, and Borja Ibanez, Myocardial Edema After Ischemia/Reperfusion Is Not Stable and Follows a Bimodal […]

Third-day subsequent brain re-injury can increase insulin resistance in mouse brains — thereby reducing their ability to heal Comments Off

© 2014 Peter Free Citation — to study Zachary M. Weil, Kristopher R. Gaier, and Kate Karelina, Injury timing alters metabolic, inflammatory and functional outcomes following repeated mild traumatic brain injury, Neurobiology of Disease70: 108-116, DOI:10.1016/j.nbd.2014.06.016 (October 2014) If human brains are similar, this study is important for designing post-concussion protocols From the excellent abstract: […]

Satellite transmitters attached to five southern right whales (Eubalaena australis) — may help biologists figure out why individuals have been dying at high rates Comments Off

© 2014 Peter Free Citation — to press release Wildlife Conservation Society, Scientists employ satellite tags to solve whale-sized mystery, ScienceDaily (14 November 2014) The survival problem From the press release: Over the past decade, southern right whale [see here] calves have died in unprecedented numbers (more than 400 between 2003-2011) for reasons still unclear […]