Monday, August 22, 2005
Amit, D.J. (1994). The Hebbian paradigm reintegrated: Local reverberations as internal representations.
quotes:
...Hebb's paradigm ... can be summarized as a process generating the feed-back connectivity required for maintaining reverberations (persistent spike distributions) in a local network by the activity in the same network.
...It is known anatomically, physiologically and neurologically that as one proceeds along the elaboration path in the cortex, one always finds back projections, as far back as into the primary sensory areas. On the other hand, it is a very familiar experience to have a given sensory power notably improved when the content of the observed stimulus is known. For example, when vision is impeded by distance or haze so that a given object cannot be discerned (or read), receiving a cue as to the nature of the object (or the written text) often produces a clear perception of the target.
quotes:
...Hebb's paradigm ... can be summarized as a process generating the feed-back connectivity required for maintaining reverberations (persistent spike distributions) in a local network by the activity in the same network.
...It is known anatomically, physiologically and neurologically that as one proceeds along the elaboration path in the cortex, one always finds back projections, as far back as into the primary sensory areas. On the other hand, it is a very familiar experience to have a given sensory power notably improved when the content of the observed stimulus is known. For example, when vision is impeded by distance or haze so that a given object cannot be discerned (or read), receiving a cue as to the nature of the object (or the written text) often produces a clear perception of the target.