Table 1.

Cognitive and behavioral characteristics of connected consciousness, disconnected consciousness and unconsciousness

	Connected consciousness	Disconnectedness
	Connected consciousness	Disconnected consciousness	Unconsciousness
Awareness of external stimuli	Yes	No	No
Behavioral responsiveness	Yes^{^a}	No	No
Subjective experiences	Yes	Yes	No

↵^aResponsiveness may be absent in rare cases such as the locked-in syndrome or during muscle paralysis in conjunction with unsuccessful general anesthesia. Modified from Sanders et al. (2012) and Bonhomme et al. (2019).