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How our brains keep us focused

How our brains keep us focused | Science, Technology, and Current Futurism | Scoop.it
Scientists have uncovered mechanisms that help our brain to focus by efficiently routing only relevant information to perceptual brain regions.
Sharrock's insight:

A metacognitive skill may be the active influence on these two mechanisms: "two distinct processes, referred to as "sensitivity enhancement" and "efficient selection." Sensitivity enhancement corresponds to improvements in how neurons in the cortex represent sensory information like sounds and lights, similar to the volume control or reception control on a television set. Efficient selection is more like a filter, routing important sensory information to higher-order perceptual areas of the brain while suppressing disruptions from irrelevant information." . It may also be one of the main factors of genius.

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Sensory Substitution and Brain Plasticity: How to Augment our Senses

Since 1968 scientists have been creating sensory substitution and augmentation devices. With these devices they try to replace or enhance one sense by using another sense. For example, in tactile–vision, stimulation of the skin driven by input to a camera is used to replace the ordinary sense of vision that uses our eyes. The feelSpace belt aims to give people a magnetic sense of direction using vibrotactile stimulation driven by a digital compass. This talk discusses these developing technologies, mentions psychologists studying the minds and behavior of subjects who use these kind of devices, and analyzes the nature of perceptual experience and sensory interaction. The talk also explores the nature, limits and possibilities of these technologies, how they can be used to help those with sensory impairments, and what they can tell us about perception and perceptual experience in general.


Via Dr. Stefan Gruenwald
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33rd Square: Researchers Restore Natural Senses with Bionic Hand

33rd Square: Researchers Restore Natural Senses with Bionic Hand | Science, Technology, and Current Futurism | Scoop.it
A Danish man is the first amputee in the world to feel sensory rich information – in real-time – with a bionic hand wired to nerves in his upper arm. excerpt: "A Danish man is the first amputee in the world to feel sensory rich information – in real-time – with a bionic hand wired to nerves in his upper arm. Using the Lifehand 2, Dennis Aabo Sørensen can grasp objects intuitively and identify what he is touching while blindfolded."
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