Neural ensemble states in prefrontal cortex identified using a hidden Markov model with a modified EM algorithm.
Gregor RainerEarl K. MillerPublished in: Neurocomputing (2000)
Keyphrases
- em algorithm
- hidden markov models
- prefrontal cortex
- basal ganglia
- hidden states
- expectation maximization
- working memory
- baum welch
- hidden variables
- functional connectivity
- maximum likelihood
- mixture model
- generative model
- parameter estimation
- neural network
- gaussian mixture model
- maximum likelihood estimation
- functional magnetic resonance imaging
- gaussian mixture
- human brain
- log likelihood
- estimate the model parameters
- incomplete data
- hyperparameters
- maximum a posteriori
- unsupervised learning
- connectionist models
- learning algorithm
- sequential data
- machine learning
- probability density function
- conditional random fields
- density estimation
- pattern classification
- markov chain
- image processing
- computer vision