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Tero Toivanen

Neurophilosophy : Experience induces global reorganization of brain circuitry - 0 views

scienceblogs.com/...ization_of_brain_circuitry.php

neurophilosophy brain LTP learning memory

shared by Tero Toivanen on 11 Mar 09 - Cached
  • Now referred to as long-term potentiation (LTP), this mechanism has since become the most intensively studied in modern neuroscience,and is widely believed to be the cellular basis of learning and memory, although this is yet to be proven unequivocally.
  • In the new study, Santiago Canals of the Max Planck Institute for Biological Cybernetics in Tübingen and his colleagues used the same protocol to induce LTP. But while the vast majority of researchers have investigated LTP in slices of hippocampal tissue, this study involved observing LTP in live animals.
  • This new research provides the first evidence that the local modifications in synaptic connections induced by LTP lead to long-lasting changes in the activity of a diffuse network of brain regions, and even to facilitated communication between the two hemispheres. The fMRI data showed that hippocampal LTP recruits higher order association areas, as well as regions involved in emotions and others subserving different sensory modalities, all of which are known to be involved in memory formation.
  • Tero Toivanen on 11 Mar 09
     
    Experience induces global reorganization of brain circuitry. This new research provides the first evidence that the local modifications in synaptic connections induced by LTP lead to long-lasting changes in the activity of a diffuse network of brain regions, and even to facilitated communication between the two hemispheres.
Tero Toivanen

Cognitive Daily: A quick eye-exercise can improve your performance on memory tests (but... - 1 views

scienceblogs.com/...ick_eye-exercise_can_impro.php

memory

shared by Tero Toivanen on 18 Apr 09 - Cached
  • If you're taking a test of rote memorization, like words from a list, move your eyes from side to side for about 30 seconds before you start.
  • It may be that this quick activity helps facilitate interaction between the brain hemispheres.
  • any activity that encourages communication between the hemispheres is likely to increase recall.
  • ...6 more annotations...
  • people who have poorer interactions between the hemispheres should benefit more than others. Who has less interactions between hemispheres? People who are strongly right-handed.
  • Strongly right-handed students remembered significantly more words if they moved their eyes compared to keeping their eyes still. Non-strongly-right-handed students (including left-handers) remembered the same number of words regardless of whether they moved their eyes before the test.
  • strongly right-handed students had significantly fewer false alarms after they moved their eyes back and forth. But for non-strongly-right-handed people, the reverse occurred; moving their eyes caused them to falsely remember more words. So overall, while the eye-saccade exercise helped right-handers, for lefties and for those who didn't have a strongly dominant hand, the exercise actually harmed their performance.
  • You might think that only side-to-side movement would improve performance, but Lyle's team found that moving your eyes up and down caused the same effect.
  • researchers say that other studies have shown that any eye movements increase bilateral activity in the frontal eye field, so it's still possible that hemispheric connectivity can explain the improved performance after eye movements.
  • So why doesn't the exercise work the same way for left-handers? Left handers (and ambidextrous individuals) already have a high level of hemispheric connectivity. Lyle's team speculates that there might be such a thing as too much connectivity, which results in a decrease in performance.
grey thinking

Grey Thinking - 0 views

greythinking.wordpress.com

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shared by grey thinking on 18 Mar 09 - Cached
  • grey thinking on 18 Mar 09
     
    Insight into and commentary on unique issues in eating disorders. Articles, cultural connections, treatment experiences, and a lot of questions that no one else asks. Join the discussion!
Catherine Plano

Be comfortable with your 'SELF'… - 0 views

What you think about, you bring about. Both analytical and holistic modalities now all finally agree on this. Our minds are our frontier at present and we are beginning to understand. New thinking ...

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started by Catherine Plano on 25 Nov 15 no follow-up yet
Hypnosis Training Academy

The Step-By-Step Guide To Lucid Dreaming Using Self-Hypnosis - 0 views

hypnosistrainingacademy.com/lucid-dreaming-using-hypnosis

lucid dreams self hypnosis hypnosis techniques understand dreams relaxing technique

shared by Hypnosis Training Academy on 18 May 16 - No Cached
  • Hypnosis Training Academy on 18 May 16
     
    Interested in mastering the art of lucid dreaming? Lucid dreaming is another fun and relaxing way to connect with your unconscious mind, especially when coupled with self-hypnosis. So why not play around with the steps in this infographic that incorporates self-hypnosis, and learn how to become the director of your dreams!
Hypnosis Training Academy

Inspiring Interviews of 4 Professional Hypnotists Share Their Profound Journeys - 0 views

hypnosistrainingacademy.com/hypnotist-inspiring-interviews

hypnosis career in hypnosis hypnotherapist hypnosis training hypnotists interviews

shared by Hypnosis Training Academy on 28 Nov 16 - No Cached
  • Hypnosis Training Academy on 28 Nov 16
     
    What if you turn your hypnosis passion into a career? What it is like to be able to help others using your hypnosis skills? How being a professional hypnotist can change your life? Here four hypnotists share their experience of before and after becoming professional hypnotists. What inspired them to become professionals and what their lives were like before they became hypnotists. And, above all how being a hypnotist makes them feel when they get out of bed each day. Stories of their first clients, the obstacles they faced throughout their journey and how did they overcome. Uncover what their most rewarding success stories have been - both as hypnotists and subjects of hypnosis. Also, learn the formula for happiness and what is our biological need for connection.
Hypnosis Training Academy

How to Hypnotise yourself with a Pendulum in 3 Simple Steps - 0 views

hypnosistrainingacademy.com/pendulum-during-self-hypnosis

hypnosis hypnosis technique self hypnosis hypnosis with pendulum unconscious mind

shared by Hypnosis Training Academy on 14 Jul 16 - No Cached
  • Hypnosis Training Academy on 14 Jul 16
     
    Learn how to use a pendulum during self-hypnosis to bypass your critical factor and connect with your unconscious mind.
Tero Toivanen

BBC NEWS | Science & Environment | Simulated brain closer to thought - 1 views

news.bbc.co.uk/...8012496.stm

brain Blue Brain simulated brain science virtual simulation

shared by Tero Toivanen on 24 Apr 09 - Cached
  • A detailed simulation of a small region of a brain built molecule by molecule has been constructed and has recreated experimental results from real brains.
  • While many computer simulations have attempted to code in "brain-like" computation or to mimic parts of the nervous systems and brains of a variety of animals, the Blue Brain project was conceived to reverse-engineer mammal brains from real laboratory data and to build up a computer model down to the level of the molecules that make them up.
  • The first phase of the project is now complete; researchers have modeled the neocortical column - a unit of the mammalian brain known as the neocortex which is responsible for higher brain functions and thought.
  • ...4 more annotations...
  • "It starts to learn things and starts to remember things. We can actually see when it retrieves a memory, and where they retrieved it from because we can trace back every activity of every molecule, every cell, every connection and see how the memory was formed."
  • "The next phase is beginning with a 'molecularisation' process: we add in all the molecules and biochemical pathways to move toward gene expression and gene networks. We couldn't do that on our first supercomputer."
  • Organised columns of neurons have been simulated molecule by molecule
  • "This is very interesting research and I'm not criticising it, but it doesn't help us in computer science in having the intelligent behaviour of humans replicated." Professor Markram believes that by building up from one neocortical column to the entire neocortex, the ethereal "emergent properties" that characterise human thought will, step by step, make themselves apparent.
  • Tero Toivanen on 24 Apr 09
     
    A detailed simulation of a small region of a brain built molecule by molecule has been constructed and has recreated experimental results from real brains.
Catherine Plano

Can I See You? - 0 views

To be vulnerable, by that definition, is hard to see as a good thing. The word exposed is not always one that people find themselves comfortable being. However there is a power like no other t...

accept acceptance attention attitude awareness belief beliefs coaching skills techniques connection effective leadership emotion empowerment exposed human instinct mastery melbourne life coach personal development

started by Catherine Plano on 25 Nov 15 no follow-up yet
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