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brain_organs [2016/01/03 21:33] – n.arakawabrain_organs [2021/12/11 10:36] (current) – [References] n.arakawa
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 ==== Brain Organs ==== ==== Brain Organs ====
-The [[WBA Product]] specification requires a WBA model to have correspondence with actual brain organs.\\ +As the [[WBA Product]] specification requires a WBA model to have correspondence with actual brain organs,  
-So this page refers to concrete brain organs to give an 'image' of WBA.\\  A WBA model would have to incorporate at least the first three components (the perceptual system, the hippocampus, and the pre-frontal-cortex-basal-ganglia-thalamus loop).+this page refers to them to give an 'image' of WBA.\\  A WBA model would have to incorporate at least the first three components (the perceptual system, the hippocampus, and the pre-frontal-cortex-basal-ganglia-thalamus loop).\\ 
 +Here, it is important that a WBA model is constructed so that it can perform more than one generic class of tasks (as WBA aims for AGI).
  
 //Note that this page is under construction.// //Note that this page is under construction.//
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 At least the ventral stream consists of a cascade of cortical regions, forming a 'deep' network.\\  A WBA model would also have to take into account the fact that the cascade is richly bi-directional with afferent and efferent connections. At least the ventral stream consists of a cascade of cortical regions, forming a 'deep' network.\\  A WBA model would also have to take into account the fact that the cascade is richly bi-directional with afferent and efferent connections.
 === Hippocampus === === Hippocampus ===
-The hippocampus, consisting of several sub-regions, is supposed to be responsible to the following cognitive functions among others.+The [[http://www.scholarpedia.org/article/Models_of_hippocampus|hippocampus]], consisting of several sub-regions, is supposed to be responsible to the following cognitive functions among others.
   * Transferring mid-term memory into long-term memory   * Transferring mid-term memory into long-term memory
   * Navigation (at least in rodents; see [[http://www.scholarpedia.org/article/Grid_cells|the grid cells and place cells]])   * Navigation (at least in rodents; see [[http://www.scholarpedia.org/article/Grid_cells|the grid cells and place cells]])
-As the place cells respond to the places where the subject has visited, they are supposed to be related also to long-term memory.\\+As the place cells respond to places where the subject has visited, they are supposed to be related also to long-term memory.\\
 The circuitry of the hippocampus has been well studied. The circuitry of the hippocampus has been well studied.
 === Pre-frontal Cortex, Basal Ganglia and Thalamus === === Pre-frontal Cortex, Basal Ganglia and Thalamus ===
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 The basal ganglia are hypothesized to use reinforcement learning principles.\\ The basal ganglia are hypothesized to use reinforcement learning principles.\\
 For a computational model, see\\ For a computational model, see\\
-O'Reilly et al.: [[http://psych.colorado.edu/~oreilly/papers/OReillyFrank06_pbwm.pdf|Making Working Memory Work: A Computational Model of Learning in the Frontal Cortex and Basal Ganglia]], Neural Computation, 18, pp.283-328 (2006)+  * O'Reilly et al.: [[http://psych.colorado.edu/~oreilly/papers/OReillyFrank06_pbwm.pdf|Making Working Memory Work: A Computational Model of Learning in the Frontal Cortex and Basal Ganglia]], Neural Computation, 18, pp.283-328 (2006) 
 +  * [[https://grey.colorado.edu/CompCogNeuro/index.php/CCNBook/Motor|CCNBook Motor]] ([[CCNBook-Motor summary|summary]]) 
 +  * [[https://grey.colorado.edu/CompCogNeuro/index.php/CCNBook/Executive|CCNBook Executive]] ([[CCNBook-Executive summary|summary]])
 === Amygdala === === Amygdala ===
 The amygdala is supposed to be related to affect.\\ The amygdala is supposed to be related to affect.\\
 See [[http://www.scholarpedia.org/article/Amygdala|Amygdala@Scholarpedia]] for detailed explanation. See [[http://www.scholarpedia.org/article/Amygdala|Amygdala@Scholarpedia]] for detailed explanation.
 === 'Language Areas' === === 'Language Areas' ===
-If you make a human-level WBA model, you definitely have to take the 'language areas' into account.\\+If you are to make a human-level WBA model, you definitely have to take the 'language areas' into account.\\
 [[https://en.wikipedia.org/wiki/Wernicke%27s_area|Wernicke's area]] and [[https://en.wikipedia.org/wiki/Broca%27s_area|Broca's area]] are two well known language areas, where the former is hypothesized to be involved in language comprehension and the latter speech production.\\ [[https://en.wikipedia.org/wiki/Wernicke%27s_area|Wernicke's area]] and [[https://en.wikipedia.org/wiki/Broca%27s_area|Broca's area]] are two well known language areas, where the former is hypothesized to be involved in language comprehension and the latter speech production.\\
 For a computational model, see\\ For a computational model, see\\
 P. F. Dominey: [[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3733003/|Recurrent temporal networks and language acquisition—from corticostriatal neurophysiology to reservoir computing]], Frontiers in Psychology, 4: 500 (2013). P. F. Dominey: [[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3733003/|Recurrent temporal networks and language acquisition—from corticostriatal neurophysiology to reservoir computing]], Frontiers in Psychology, 4: 500 (2013).
 ==== References ==== ==== References ====
-  * [[https://grey.colorado.edu/CompCogNeuro/index.php/CCNBook/Main|The Computational Cognitive Neuroscience Book]]+  * [[https://compcogneuro.org/|The Computational Cognitive Neuroscience Book]]
   * [[http://blog.agi.io/2015/12/how-to-build-general-intelligence.html|How to build a General Intelligence: Circuits and Pathways]]   * [[http://blog.agi.io/2015/12/how-to-build-general-intelligence.html|How to build a General Intelligence: Circuits and Pathways]]
   * [[http://www.reservoir-computing.org|Reservoir-Computing.org]]   * [[http://www.reservoir-computing.org|Reservoir-Computing.org]]
 +  * [[List of Models]]
brain_organs.1451824404.txt.gz · Last modified: 2016/01/03 21:33 by n.arakawa