Imagine a computer that can think as fast as the human brain while using very little energy. That's the goal of scientists seeking to discover or develop materials that can send and process signals as easily as the brain's ...
Quantum Physics
May 9, 2022
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500
Multifunctional and diverse artificial neural systems can incorporate multimodal plasticity, memory and supervised learning functions to assist neuromorphic computation. In a new report, Jinran Yu and a research team in nanoenergy, ...
Among the most easily recognizable features of any nervous system is the synapse. While the question of how synapses evolved has been a longstanding mystery, it can now largely be solved. In a nutshell, it appears that the ...
Researchers at the National Institute of Standards and Technology (NIST) have built a superconducting switch that "learns" like a biological system and could connect processors and store memories in future computers operating ...
Nanophysics
Jan 26, 2018
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577
When it comes to processing power, the human brain just can't be beat.
Materials Science
Jan 22, 2018
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601
A paper-based device that mimics the electrochemical signalling in the human brain has been created by a group of researchers from China.
Nanophysics
Feb 12, 2014
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0
(PhysOrg.com) -- Researchers at Hewlett Packard and the University of California, Santa Barbara, have analysed in unprecedented detail the physical and chemical properties of an electronic device that computer engineers hope ...
Nanophysics
May 16, 2011
3
0
A team of biomedical researchers from the University of California, San Francisco, San Jose State University and the University of Pennsylvania has found that nematodes need sleep in order to consolidate their odor memories ...
Certain electronics that integrate with the human body—a smartwatch that samples your sweat, for instance—work by converting the ion-based signals of biological tissue into the electron-based signals used in transistors. ...
Polymers
Feb 6, 2023
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104
When genes mutate, this can lead to severe diseases of the human nervous system. Researchers at Leipzig University and the University of Würzburg have now used fruit flies to demonstrate how, apart from the negative effect, ...
Other
May 10, 2022
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399
Chemical synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. Chemical synapses allow neurons to form circuits within the central nervous system. They are crucial to the biological computations that underlie perception and thought. They allow the nervous system to connect to and control other systems of the body.
The adult human brain is estimated to contain from 1014 to 5 × 1014 (100-500 trillion) synapses.[citation needed] Each mm3 of cerebral cortex contains roughly a billion of them.
The word "synapse" comes from "synaptein", which Sir Charles Scott Sherrington and colleagues coined from the Greek "syn-" ("together") and "haptein" ("to clasp"). Chemical synapses are not the only type of biological synapse: electrical and immunological synapses also exist. Without a qualifier, however, "synapse" commonly means chemical synapse.
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