Humans 6 brain circulation 6 priority journal 6 Adaptation, Physiological 4 Animals 4 Cerebral Cortex 4 Cognition 4 Feedback 4 Learning 4 Neural Pathways 4 Neurons 4 Pattern Recognition, Visual 4 Perception 4 brain cortex 4 brain function 4 feedback system 4 mental disease 4 nerve cell 4 perception 4 review 4 schizophrenia 4 visual cortex 4 Adolescent 2 Adult 2 Aged 2 Aged, 80 and over 2 Blood Flow Velocity 2 Cerebrovascular Circulation 2 Child 2 Doppler echography 2