Pascal, You are right , synaptic connections are unidirectional, however there seems to be a high probability of bidirectional connections. at different distances
Found an interesting article on synaptic connections . http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1054880/ On Sun, Aug 2, 2015 at 2:44 AM, Pascal Weinberger <[email protected] > wrote: > Well that's how it is in biology as well... > Despite of gap-junctions all synapses are one directional. > This is also logically sensical, as one feature can predict another while > the other does not necessarily mean the first one is present. You want to > learn these connections separately. > > On a high level you may draw the analogy that 'Car' implies 'seat'; but > 'seat' does not necessarily (or with the same strength) imply 'car'... > On Aug 2, 2015 4:26 AM, "Chandan Maruthi" <[email protected]> > wrote: > >> Is a Nupic synaptic connection 2 way? Or is it one way by default and has >> to explicitly be trained to learn a new connection back. >> >> >> So cell a on column a1 connected to cell b on column b1 does not >> automatically mean activation of b will result in prediction of a right? >> >> I see why it is so, but it seems inefficient , doesn't it? >> >> >> >> -- >> Regards >> Chandan Maruthi >> >> >> -- Regards Chandan Maruthi
