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T1  - Bistability breaks-off deterministic responses to intracortical stimulation during non-REM sleep 
SN  -  /  
UR  - http://hdl.handle.net/10138/203730 
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A1  - Pigorini, Andrea; Sarasso, Simone; Proserpio, Paola; Szymanski, Caroline; Arnulfo, Gabriele; Casarotto, Silvia; Fecchio, Matteo; Rosanova, Mario; Mariotti, Maurizio; Lo Russo, Giorgio; Palva, J. Matias; Nobili, Lino; Massimini, Marcello 
A2  -  
PB  -  
Y1  - 2015 
LA  - eng 
AB  - During non-rapid eye movement (NREM) sleep (stage N3), when consciousness fades, cortico-cortical interactions are impaired while neurons are still active and reactive. Why is this? We compared cortico-cortical evoked-potentials recorded during wakefulness and NREM by means of time-frequency analysis and phase-locking measures in 8 epileptic patients undergoing intra-cerebral stimulations/recordings for clinical evaluation. We observed that, while during wakefulness electrical stimulation trigge... 
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KW  - Causality; Consciousness; Down-state; Intracranial; Phase-locking; EYE-MOVEMENT SLEEP; SLOW-WAVE SLEEP; CORTICAL EFFECTIVE CONNECTIVITY; NEOCORTICAL NEURONS; IN-VIVO; NETWORK MECHANISMS; LESS-THAN-1 HZ; BRAIN ACTIVITY; VISUAL-CORTEX; NREM SLEEP; 3112 Neurosciences 
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