Nature Communications
August 13, 2025
William Wong, Rubén Herzog, Kátia Cristine Andrade et al.
10 citations
Magneto/electroencephalography (M/EEG) studies of dreaming are an essential paradigm in the investigation of neurocognitive processes of human consciousness during sleep, but they are limited by the number of observations that can be collected per study. Dream research also involves substantial methodological and conceptual variability, which poses problems for the integration of results. To...
Frontiers in Neuroscience
April 15, 2020
Sérgio Arthuro Mota-Rolim
IntroductionLucid dreaming (LD) started to be scientifically investigated through instructingdreamers to move their eyes as soon as they become lucid (Hearn, 1978; Laberge et al.,1981). LD signaling through pre-agreed eye movements (PAEM) is possible becauseeye muscles are exempt from the muscular atonia that accompanies REM sleep(Aserinsky and Kleitman, 1953; Jouvet, 1962). In addition, it is...
Frontiers in Psychology
2019
Tainá Carla Freitas De Macêdo, Glescikelly Herminia Ferreira, Katie Moraes De Almondes et al.
65 citations
Nightmares are defined as repeated occurrences of extremely dysphoric and well-remembered dreams that usually involve subjective threats to survival, security, or physical integrity. Generally, they occur during rapid eye movement sleep (REMS) and lead to awakenings with distress and insufficient overnight sleep. Nightmares may occur spontaneously (idiopathic) or as recurrent nightmares....
Frontiers in Psychology
December 22, 2016
José Felipe Rodriguez de Sá, Sérgio Arthuro Mota-Rolim
Sleep paralysis (SP) is a dissociative state that occurs mainly during awakening. SP is characterized by altered motor, perceptual, emotional and cognitive functions, such as inability to perform voluntary movements, visual hallucinations, feelings of chest pressure, delusions about a frightening presence and, in some cases, fear of impending death. Most people experience SP rarely, but...