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--- research_on_wba [2016/01/03 20:31]
n.arakawa
+++ research_on_wba [2016/01/03 21:12]
n.arakawa
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 At least the ventral stream consists of a cascade of cortical regions, forming a 'deep' network.  A model also has to take into account the fact that the cascade is richly bi-directional with afferent and efferent connections.
 === Hippocampus ===
+The 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
+  * 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 the subject has visited, it is supposed to be related to long-term memory.\\
+The circuitry of the hippocampus has been well studied.
 === Pre-frontal Cortex, Basal Ganglia and Thalamus ===
+These organs, forming a circuit (loop), are supposed to be involved in (action) planning and execution.\\
+The basal ganglia are hypothesized to use reinforcement learning principles.\\
+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)
 === Amygdala ===
+The amygdala is supposed to be related to affect.\\
+See [[http://www.scholarpedia.org/article/Amygdala|Amygdala@Scholarpedia]] for detailed explanation.
 === 'Language Areas' ===
-=== References ===
+If you 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.\\
+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).
+==== References ====
   * [[https://grey.colorado.edu/CompCogNeuro/index.php/CCNBook/Main|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://www.reservoir-computing.org|Reservoir-Computing.org]]