ABSTRACT

Motoneurons Based on Cross-Correlation Histograms...................138 6.3 The Frequency Domain: Coherence as an Indicator of Neuronal

Connections..................................................................................................140 6.3.1 Basic Terminology and Concepts ....................................................140 6.3.2 Previous Studies Using Coherence..................................................141 6.3.3 What Information Does the Coherence Function Provide? ............142 6.3.4 Partial Coherence Functions ............................................................145 6.3.5 Limitations of Coherence and Partial Coherence Functions ..........146

6.4 Detecting Correlations, Coherence in Composite Signals ..........................146 6.4.1 The Use of Neurograms and EMGs for Composite Recordings ....147 6.4.2 The Effects of Rectification on Composite Recordings..................147 6.4.3 Comparison of Coherence between Unitary and