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LE TRACCE DI MEMORIA (SAMSKARA)
A cura di Andrea Boni.

Da un articolo di Adele Sarno apparso su Repubblica del 13 Marzo 2010, leggiamo che oggi la tecnologia è un pochino più avanti nel tentativo di leggere nel pensiero."Per la prima volta un gruppo di studiosi londinesi ha usato degli scanner per imaging a risonanza magnetica per 'leggere nel pensiero'. Ciò è stato possibile perchè have been identified in the study of memory traces 'fixes' visible and measurable in the brain. "

soon have to pay attention to what's on our mind, because with the help of a scanner, you can read his thoughts. These in fact may leave behind visible and measurable in the brain. The experiment has succeeded to a team of researchers at the University of London, which recorded the brain activity related to different types of memories. With an apparatus for functional magnetic resonance imaging (fMRI), which is normally used to monitor the activity of various organs, the researchers analyzed the mental processes occurring in the lumbar region of the brain storm and noted that the memories they leave a sort of permanent mark that can be deciphered. In other words they are able to identify the footprint of a memory that stimulates thought. The work is based on the so-called "memory traces", whose existence is accepted by almost a century but whose mechanisms, nature and location remain largely a mystery. This study, published in Current Biology, try to understand the mechanisms by using the "episodic memory". In the experiment, scholars have undergone six women and four men, mean age of 21 years, the projection of three different film clips, each lasting seven seconds. All the films were similar and showed a number of people engaged in normal daily activities: post a letter, have a coffee, walk. After watching the participants described, upon request, what they remembered scenes hardly seen. At that moment came into action the 'scanner' that monitored the memory traces left in the brain. In the second part of the test, volunteers had to remember random clips while they were subjected to resonance. In half the cases, the computer could predict what would they say. This happens, the researchers said, because the traces of memory associated with each clip were unchanged for the duration of the experiment, suggesting that these were "fixed." Thus, the functional magnetic resonance imaging machine, recording the 'memory traces' has proven to be able to read minds. But, added the researchers, the traces of memories for each of three projections were similar in all participants. "Although the brain patterns were generally different for each individual, there is considerable similarity in the hippocampal areas activated by the memory," write the study Always the same team of neuroscientists at University College London had already been shown to be able to 'see' the thoughts of a person placed in a situation of virtual reality. "The research is a step forward, but it is still a technique in its infancy and will be developed in the future." The Science of Yoga pier describes well the "memory trace." These are called samskaras, latent impressions, which is deeply imprinted in the mind (cittah) and they are a source of air conditioning (positive or negative) to be embodied. In particular, if you insist on doing something that should not be done, we become slaves to what you're doing, because it provides an increasing number of samskaras which reinforce each other and exert force, pressure on the character. Similarly, if we engage in following a proper discipline, although sometimes there is hard, questo ci porterà a costruire i samskara per le suddette azioni e a sviluppare il gusto necessario per portarle poi avanti spontaneamente. Tale meccanismo può apparire misterioso e, generalmente, persone inconsapevoli di questo attribuiscono un grande potere volitivo a quel che a loro piace e non piace, ignorando il ruolo dei samskara, i quali determinano gusti e tendenze e sono modificabili. Per questo motivo è necessario crearsi i giusti samskara e, anche quando per pigrizia sembrerebbe più comodo non fare una cosa che andrebbe fatta, meglio essere attenti, perché il non farla genera quel tipo di samskara e quel particolare samskara di “pigrizia” diviene poi un ostacolo ancora più ingombrante la volta successiva che crederemo opportuno do that something. With samskaras then we lose our freedom and ability to act independently? Not at all, in fact, the proof is the fact that when we decide not to do something, we can not do it, but we know that in this way we create other samskaras. We are always responsible for our choices and therefore the choice of what kind of samskaras provide us, with us.