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[0] Sergio LE, Kalaska JF, Systematic changes in motor cortex cell activity with arm posture during directional isometric force generation.J Neurophysiol 89:1, 212-28 (2003 Jan)

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ref: -0 tags: SAT solver blog post date: 12-30-2021 00:29 gmt revision:0 [head]

Modern SAT solvers: fast, neat and underused (part 1 of N)

A set of posts that are worth re-reading.

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ref: -0 tags: woodchuck post-translational regulatory element date: 09-30-2013 18:52 gmt revision:2 [1] [0] [head]

PMID-10074136 Woodchuck hepatitis virus posttranscriptional regulatory element enhances expression of transgenes delivered by retroviral vectors 1999

  • "These results demonstrate that the WPRE significantly improves the performance of retroviral vectors and emphasize that posttranscriptional regulation of gene expression should be taken into account in the design of gene delivery systems."
  • Only useful in Cre recombinase sites (? I don't know much about this!)
  • used in e.g {1255}

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ref: Chhatbar-2010.05 tags: Lee von Kraus Francis SUNY downstate electrode floating headpost date: 01-28-2013 01:06 gmt revision:1 [0] [head]

PMID-20153370[0] A bio-friendly and economical technique for chronic implantation of multiple microelectrode arrays

  • Nesting design -- the headpost is the only transcutaneous object.

____References____

[0] Chhatbar PY, von Kraus LM, Semework M, Francis JT, A bio-friendly and economical technique for chronic implantation of multiple microelectrode arrays.J Neurosci Methods 188:2, 187-94 (2010 May 15)

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ref: -0 tags: ocaml latex metapost date: 07-23-2009 13:56 gmt revision:1 [0] [head]

http://mlpost.lri.fr/ -- allows drawing Latex or postscript figures programmatically. Interesting. Included in Debian. source

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ref: life-0 tags: princeton postmodern education kirn atlantic essay poetry undergrad date: 05-20-2009 05:32 gmt revision:1 [0] [head]

http://www.theatlantic.com/doc/200501/kirn -- goood.

  • quote: "Would it be possible someday—through drugs, maybe, or esoteric Buddhism, or some profound, postapocalyptic languor—to stop coming up with ideas of what we are and then laboring to live up to them?" -- from "The Autumn of the Multitasker". (The title makes me think of "Delta Autumn" by Faulkner, which I love...)

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ref: bookmark-0 tags: postmodernism pseudoscience Alan Sokal date: 04-23-2007 03:47 gmt revision:0 [head]

http://www.physics.nyu.edu/faculty/sokal/pseudoscience_rev.pdf

  • idea: postmodernism attacks science by claiming that all observations are inherently subjective andn unsupported by evidence; pseudoscience attacks science by claiming subjective, unsupported assertions to be supported by the method andn courpus of scientific thought. One robs science of credibility, the other attempts to profit from scientific credibility due to its success in predicting physical phenomena.
    • Usually, knowledge of the field in question is enough to highlight pseudoscience.. and postmodernism (by his definition) can be spotted by its claims/lack thereof.
  • claims Judeanism & Christianity contain sections of pseudoscience
  • (pope) John Paul II is a pseudoscientist?

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ref: Sergio-2003.01 tags: M1 isometric force posture direction SUA Kalaska date: 04-09-2007 15:22 gmt revision:1 [0] [head]

PMID-12522173[0] Systematic changes in motor cortex cell activity with arm posture during directional isometric force generation.

  • isometric joystick was positioned at 5-9 different locations in a plane in the monkey's workspace.
  • discharge of all cells varied with position and force.
    • Cell directional tuning tended to shift systematically with hand location even though the direction of static force output at the hand remained constant
      • would this be true if the forces were directed in muscle coordinates?
  • "provides further evidence that MI contributes to the transformation between extrinsic and intrinsic representations of motor output during isometric force production."

____References____

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ref: Dum-2003.01 tags: cerebellum dentate_nucleus projections cerebrum prefrontal posterior_pareital M1 PM thalamus somatotopic date: 03-11-2007 04:42 gmt revision:2 [1] [0] [head]

PMID-12522208 An unfolded map of the cerebellar dentate nucleus and its projections to the cerebral cortex

  • the dentate nucleus of the cerebellum projects to (at least four sections of if not all) of the cerebral cortex in a spatially-organized way.
    • dentate nucleus projects via the ventral anterior (VA) nucleus of the thalamus
    • dentate nucleus receives projections from the lateral hemispheres of the cerebellum (neocerebellum), which receives extensive collaterals from the pyramidal tract.