Different vulnerability of fast and slow cortical oscillations to suppressive effect of spreading depolarization: state-dependent features potentially relevant to pathogenesis of migraine aura

Table 1 Parameters of dc potential shifts associated with SD in awake and anesthetized rats

Cortical region	SD latency (s)	SD duration (s)	SD amplitude (mV)
Awake rats (n = 7)
Frontal cortex	169 ± 7	45 ± 2	8.0 ± 0.7
Occipital cortex	160 ± 5	41 ± 2	6.1 ± 0.7
Anesthetized rats (n = 6)
Frontal cortex	200 ± 5*	63 ± 3*	8.7 ± 0.3
Occipital cortex	220 ± 20*	57 ± 3*	5.8 ± 1.2

^*-significant difference between awake and anesthetized rats (p < 0.05, Mann–Whitney test)

ISSN: 1129-2377