COMPUTATIONAL ACCOUNT OF SPONTANEOUS ACTIVITY AS A SIGNATURE OF PREDICTIVE CODING.

Spontaneous activity is commonly observed in a variety of cortical states.Experimental evidence suggested that neural assemblies undergo slow oscillations with Up ad Down states even when the network is isolated from the rest of the brain.Here we show that these spontaneous events can be generated by the recurrent connections within the network and

INTRODUCTION: Substance abuse is an important public health issue affecting West Africa; however, there is currently a dearth of literature on the actions needed to address it.The aim of this study was to assess the risks and protective factors of substance abuse read more in Ghana, West Africa, using the photovoice method.METHODS: this study recru