IJON
2006
13 years 5 months ago
2006
We review a recently developed engineering control approach to attention. The control system is extended to include biasing by emotional valence, with qualitative analysis given of...
IJON
2006
13 years 5 months ago
2006
Switching between tasks that overlap in perceptual and response characteristics is assumed to rely upon the maintenance of task representations in prefrontal cortex (PFC). However...
IJON
2006
13 years 5 months ago
2006
Hebbian learning has been a staple of neural-network models for many years. It is well known that the most straight-forward implementations of this popular learning rule lead to u...
IJON
2006
13 years 5 months ago
2006
in vitro neuronal networks display Synchronized Bursting Events (SBEs), with characteristic temporal width of 100-500 ms and frequency of once every few seconds. We analyze such d...
IJON
2006
13 years 5 months ago
2006
Modeling studies have shown that recurrent interactions within neural networks are capable of self-sustaining non-uniform activity profiles. These patterns are thought to be the n...
IJON
2006
13 years 5 months ago
2006
Stochastic resonance (SR) is fundamental to physical and biological processes. Here, we use a stochastic gain-tuning model to investigate interactions between aging-related increa...
IJON
2006
13 years 5 months ago
2006
Cultured neuronal networks generate spontaneous activity in the form of synchronized bursting events (SBEs)--short time events during which most of the recorded neurons fire rapid...
IJON
2006
13 years 5 months ago
2006
Abstract. Independent component analysis (ICA) of functional magnetic resonance imaging (fMRI) data is commonly carried out under the assumption that each source may be represented...
IJON
2006
13 years 5 months ago
2006
Songbirds have been widely used as a model for studying neuronal circuits that relate to vocal learning and production. An important component of this research relies on quantitat...
IJON
2006
13 years 5 months ago
2006
In many applications extraction of source signals of interest from observed signals maybe is a more feasible approach than simultaneous separation of all the source signals, since...