The Relativistic Brain: How it works and why it cannot be - download pdf or read online

By Dr. Miguel A. Nicolelis, Dr. Ronald M. Cicurel

ISBN-10: 1511617020

ISBN-13: 9781511617024

During this monograph, a mathematician and a neurobiologist subscribe to forces to deal with essentially the most an important and debatable medical questions of our instances: can the beautiful capacities of the human mind be simulated by means of any electronic desktop? by means of combining mathematical, computational, neurobiological and evolutionary arguments, Ronald Cicurel and Miguel Nicolelis refute the prospect that any Turing computer will ever reach this type of simulation. As a part of their argument, the authors suggest a brand new idea for mind functionality: the Relativistic mind concept. This idea debts for many years of neurophysiological and mental findings and observations that formerly have challenged the dominant dogma in neuroscience. Altogether, this monograph includes the inaugural manifesto of a stream meant to stress the individuality of human nature whereas discrediting pseudo-scientific predictions that the substitute of people through machines is impending. within the authors' opinion, the faulty and deceptive trust that electronic machines can emulate all human behaviors defines one of many maximum threats that society faces sooner or later to maintain our lifestyle, our human tradition and our freedom.

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Additional info for The Relativistic Brain: How it works and why it cannot be simulated by a Turing machine

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Thanks to this neurophysiological method, tens to hundreds of hair-like, flexible metal filaments, known as microelectrodes, can be implanted in the brains of rodents and monkeys respectively (Schwarz, Lebedev et al. 2014). Basically, such microelectrodes serve as sensors that allow one to simultaneously record the electrical sparks – known as action potentials - produced by hundreds to thousands of individual neurons, distributed across multiple structures that define a particular neural circuit, like the motor system, which is responsible for generating the higher motor plan needed for producing limb movements.

Essentially, the brain is like an orchestra whose very instruments keep changing as a function of the music being produced. 2 – (A) The upper schematic C shows the pattern of multi-whisker ramp-and-hold passive stimuli delivered to anesthetized rats. Large black dots represent stimulation of a particular whisker. Upward arrows show stimulation onsets. The lower schematic shows the stimulation pattern of the awake restrained rats. (B) (Left) Schematic of the moving-aperture stimulus. The aperture is accelerated across the facial whiskers (with variable onsets and velocities) by the pneumatic solenoid and also simultaneously deflected laterally in varying amounts by the dc servo in order to accurately replicate the range of whisker deflection dynamics that occurred during active discrimination.

The top neuron was recorded in M1 and presented a period of increased firing activity only before the trial started. As soon as the door opened, this neuron decreased its activity. The onset of this decreased activity matched the beginning of firing increases observed in other M1 and in S1 neurons (second to fourth rows). 5 s). As the animal moved from the door to the discrimination bars, anticipatory firing activity was observed in VPM and POM neurons. A M1 neuron (fifth through eighth rows) exhibited a sharp increase in firing activity that ended as the whiskers contacted the bars (time 0).

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The Relativistic Brain: How it works and why it cannot be simulated by a Turing machine by Dr. Miguel A. Nicolelis, Dr. Ronald M. Cicurel


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