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Activity of Spiking Neurons Stimulated by External Signals of
Activity of Spiking Neurons Stimulated by External Signals of

... deliver signals and act like an “input device”. Soma is the “central processing unit” that generates a signal if the total input exceeds a certain threshold (about -30 mV) and the axon transmits the signals to other neurons. Synapses are the contact points for transferring information between neuron ...
Memory and Law
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... intrinsic excitability of hippocampal pyramidal neurons. In addition, silent cells show long-lasting activity in respond to past experience of encountering novel objects. Such reverberating activity is reminiscent of engram cell activity that reflects storage of the memory. Using two-photon imaging ...
Capacity Analysis of Attractor Neural Networks with Binary Neurons and Discrete Synapses
Capacity Analysis of Attractor Neural Networks with Binary Neurons and Discrete Synapses

... Inspired by the delay activity observed in numerous delayed match-to-sample (DMS) experiments, the attractor states of neural network dynamics are considered to be the underlying mechanism of memory storage in neural networks. For the simplest network with binary neurons and standard asynchronous dy ...
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... the thalamic nuclei will be classified as they belong to either of two basic operational units; to a group of subnuclei (1) working relatively independently and relaying sub-thalamic (mainly sensory) inputs to primary sensory cortical areas; or to the other set of subnuclei (2), the higher order nuc ...
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... spatial memory, in particular in the right hemisphere. However, some current investigators associated DLPFC more with executive control. DLPFC forms part of a VWM network that includes a number of areas closely related to attention and eye movement, including FEF, Cingulate, PEF, and some subcortica ...
Brain Jeopardy Game
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Sparse distributed memory

Sparse distributed memory (SDM) is a mathematical model of human long-term memory introduced by Pentti Kanerva in 1988 while he was at NASA Ames Research Center. It is a generalized random-access memory (RAM) for long (e.g., 1,000 bit) binary words. These words serve as both addresses to and data for the memory. The main attribute of the memory is sensitivity to similarity, meaning that a word can be read back not only by giving the original write address but also by giving one close to it, as measured by the number of mismatched bits (i.e., the Hamming distance between memory addresses).SDM implements transformation from logical space to physical space using distributed data storing. A value corresponding to a logical address is stored into many physical addresses. This way of storing is robust and not deterministic. A memory cell is not addressed directly. If input data (logical addresses) are partially damaged at all, we can still get correct output data.The theory of the memory is mathematically complete and has been verified by computer simulation. It arose from the observation that the distances between points of a high-dimensional space resemble the proximity relations between concepts in human memory. The theory is also practical in that memories based on it can be implemented with conventional RAM-memory elements.
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