[CW] CW ops are smarter

[DANNY DOUGLAS]

huh?
Danny Douglas
N7DC
ex WN5QMX ET2US WA5UKR ET3USA SV0WPP VS6DD N7DC/YV5 G5CTB
All 2 years or more (except Novice). Short stints at:  DA/PA/SU/HZ/7X/DU
CR9/7Y/KH7/5A/GW/GM/F
Pls QSL direct, buro, or LOTW preferred,
I Do not use, but as a courtesy do upload to eQSL for those who do.  
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Digital_modes
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  ----- Original Message ----- 
  From: Radio K0HB 
  To: CW Reflector 
  Sent: Thursday, September 02, 2010 12:02 PM
  Subject: [CW] CW ops are smarter


  Tom, K5RC, posted this on another reflector.  Nothing that we didn't already know, right?

  ------- quote -----------
  I think it says that CW enthusiasts are brighter than others. But we knew that.

  Department of Neurology, University of Regensburg, Germany. tobiass at med.umich.edu

  Abstract
  Learning is based on neuroplasticity, i.e. on the capability of the brain to adapt to new experiences. Different mechanisms of neuroplasticity have been described, ranging from synaptic remodeling to changes in complex neural circuitry. To further study the relationship between changes in neural activity and changes in gray matter density associated with learning, we performed a combined longitudinal functional and morphometric magnetic resonance imaging (MRI) study on healthy volunteers who learned to decipher Morse code. We investigated 16 healthy subjects using functional MR imaging (fMRI) and voxel-based morphometry (VBM) before and after they had learned to decipher Morse code. The same set of Morse-code signals was presented to participants pre- and post-training. We found an increase in task-specific neural activity in brain regions known to be critically involved in language perception and memory, such as the inferior parietal cortex bilaterally and the medial parieta
    l cortex during Morse code deciphering. Furthermore we found an increase in gray matter density in the left occipitotemporal region, extending into the fusiform gyrus. Anatomically neighboring sites of functional and structural neuroplasticity were revealed in the left occipitotemporal/inferior temporal cortex, but these regions only marginally overlapped. Implications of this morpho-functional dissociation for learning concepts are discussed.

   Tom Taormina, K5RC

  Virginia City NV

  Home of W7RN and K7RC



  ---------end quote-----------

  73, de Hans, K0HB
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