Neuronal Plasticity

One straightforward hypothesis: Schizophrenia and autism

neuronal-plasticity

 Schizophrenia’s Intricacies By Abby Olena Two studies provide insight into the genetics of the disorder and show again how complex it is. Excerpt: “Even small new mutations were not randomly occurring, but were concentrated in a relatively small number of genes…
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Pulses of olfactory/pheromonal input

neuronal-plasticity

Signal and noise: Spike correlations in the olfactory system by John Hewitt Excerpt: “The olfactory system is not so much a hard-wired telephone network where channels can be instantaneously specified and connected by number codes, and then used to transmit…
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After I posted 5 of the 14 comments to the National Geographic site during discussion of Mercenary Ants Protect Farmers With Chemical Weapons by Ed Yong, I got the message: “Your comment is awaiting “moderation” Typically, that means I will…
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Alzheimer’s, microRNAs, and olfaction

neuronal-plasticity

A Blood Test for Alzheimer’s? Circulating microRNAs could help doctors diagnose the neurodegenerative disease. By Jef Akst | July 30, 2013 Excerpt: “Testing the blood of 202 people for 140 different microRNAs (miRNAs), a team of researchers at Saarland University,…
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Evolution: innovations may have non-adaptive origins (sans mutations)

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Q & A: Evolution Makes Do By Chris Palmer Evolutionary biologist Andreas Wagner argues that many evolutionary innovations may have non-adaptive origins. Excerpt: “If exaptations are pervasive, then natural selection—which few doubt is critical for the preservation and spreading of…
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Neuroscience and attachment: a human difference?

neuronal-plasticity

Neuroscience of Human Attachment Source: Brain Posts [Neuroscience Medicine] Excerpt: Social behavior appears to regulated through both affective evaluation (emotional mentalization) and cognitive control systems (cognitive mentalizations).  These systems interact with hormonal and neurotransmitter domains in influencing social interactions. ——————————————…
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Physics or biology: ‘Quantum smell’ explains nothing

thinking forbidden

28 January 2013 Last updated at 00:05 GMT By Jason Palmer Science and technology reporter, BBC News ‘Quantum smell’ idea gains ground‘ Excerpt: “The mechanism, he added, was “inelastic electron tunnelling”: in the presence of a specific “smelly” molecule, an electron…
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The logic of gene regulatory networks

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As an alternative, we could continue to approach disorders of behavioral developmentas if nothing were known about epigenetic links between nature and nuture.

The Perversion of Science by Evolutionary Psychologists

neuronal-plasticity

“I should think we might fairly gauge the future of biological science, centuries ahead, by estimating the time it will take to reach a complete, comprehensive understanding of odor.”