Types from physiology and anatomy Basic types of brain networks can be described in terms of physiology and anatomy a Functional brain networks: Functional connectivity: temporal correlation between spatially remote neurophysiological events(Friston, Hum Brain Mapp 2004) Effective connectivity: causal effects of one neural system over another(Friston, Hum Brain Mapp 2004) a Structural brain networks: Structural connectivity: physical or structural (synaptic)connections linking neuronal units(sporns et al., Trends Cogn Sci 2004) I Morphometric connectivity: statistical interdependencies of morphological features between different brain regions such as the cortical thickness, gray matter volumes, density, areas and complexity(He et al., Neuroscientist, 2009) 6Types from physiology and anatomy ➢ Basic types of brain networks can be described in terms of physiology and anatomy. ❑ Functional brain networks: • Functional connectivity: temporal correlation between spatially remote neurophysiological events (Friston, Hum Brain Mapp 2004). • Effective connectivity: causal effects of one neural system over another (Friston, Hum Brain Mapp 2004). ❑ Structural brain networks: • Structural connectivity: physical or structural (synaptic) connections linking neuronal units (Sporns et al., Trends Cogn Sci 2004). • Morphometric connectivity: statistical interdependencies of morphological features between different brain regions such as the cortical thickness, gray matter volumes, density, areas and complexity (He et al., Neuroscientist, 2009). 6