Human Brain

Environment epigenetically shapes the immune system

human-evolution

Environment, more than genetics, shapes immune system 1) –with my emphasis Re: “There’s nothing here that is revolutionary or requires rethinking of our assumptions about how the immune system functions…” My comment: They removed assumptions about cell type differentiation by…
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Understanding cell type differentiation

Genetic code

The Wisdom of the Fly Crowds by Ed Yong Excerpt: “This is a landmark study of collective behaviour,” says Iain Couzin… “Never before has it been possible to unweave the intricate coding of social behaviour during collective decision-making.” When it…
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Sackler Colloquium: Effects or AFFECTS on Behavior

social interaction and brain

Arthur M. Sackler Colloquium of the National Academy of Sciences, “Epigenetic Changes in the Developing Brain: Effects on Behavior,” held March 28–29, 2014, at the National Academy of Sciences in Washington, DC. The complete program and video recordings of most…
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There’s a model for that!

social interaction and brain

Neuroscientists reveal mechanism crucial to molding male brains Excerpt 1) “…sex differences in brain function are established during the later stages of foetal development and around birth, but the actual cellular mechanisms underlying these important actions remained unknown.” My comment:…
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More than a bag of chemicals?

neuronal-plasticity

From Fertilization to Adult Sexual Behavior (1996) Excerpt: “Small intranuclear proteins also participate in generating alternative splicing techniques of pre-mRNA and, by this mechanism, contribute to sexual differentiation in at least two species, Drosophila melanogaster and Caenorhabditis elegans…” My comment:…
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Making sense of quotes scattered across disciplines

social interaction and brain

Speaking of Science November 2014’s selection of notable quotes By The Scientist Staff | November 1, 2014 My comment: The quotes are scattered from across disciplines, but can be linked to what is known about conserved molecular mechanisms of biologically-based…
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2014 and 2004 Nobel Prize in Medicine

neuronal-plasticity

2014 Nobel Prize in Medicine is Awarded for Discovery of Brain’s ‘Inner GPS’ Excerpt: “… gray lines show the path followed by a rat as it moves around a box looking for pieces of food.” 2014 Nobel prize in physiology…
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Did parental love evolve separately in birds and mammals?

neuronal-plasticity

EDUCATION: SEXUALITY EDUCATION IN THE UNITED STATES Excerpt: Romantic (erotic) love, an important component of human reproductive and sexual behavior, has its origins in parenting behavior. In reptiles, there is neither parental care nor an affectionate or affiliative bond between…
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