EMDR (Eyes Movement Desensitization and Reprocessing) is a known form of psychological treatment of PTSD (Laugharne et al., 2015). It is a psychotherapeutic approach developed in the late 1980s by Francine Shapiro which aims to treat traumatic memories and associated stress symptoms (Valiente-Gómez et al., 2017); this treatment allows the incorporation of processed memories appropriately in a positive representation of oneself and the world (Cotraccia, 2013). EMDR psychotherapy is modeled on AIP (Adaptive Information Processing) that emphasizes the role of the brain’s information processing system in the development of human health and pathology (Oren & Solomon, 2012). With regards to pathology, the central principle of AIP considers that certain memories may remain untreated and thus are the source of unsuitable behavior; for this purpose, management must necessarily involve reprocessing of the information linked to the traumatic event (Masson, 2005). The targets or the traumatic memories to be treated are based on a memory with 4 memory components: i) an image, ii) an emotion, iii) a sensation and iv) cognitive distortions referring to a patient's erroneous perception of himself (Masson, 2005). One of the distinguishing characteristics of EMDR is its use of bilateral stimulation, such as side-to-side eye movements, alternating hand taps, or alternating auditory tones that are employed within standardized procedures and protocols to address all facets of the targeted memory network (Oren & Solomon, 2012). This psychotherapy has been shown to be effective in several specific populations: PTSD, phobias, addictions, physical pain. A few studies have tested its effectiveness on PTSD comorbid with psychosis. In a systematic literature review on the effects of EMDR on PTSD, Valiente-Gómez et al. (2017) pointed out that 5 Randomized Controlled Trials (RCTs) involving patients with psychotic disorder and comorbid PTSD or traumatic events have been published. These include 2 pilot studies (Kim et al., 2010; de Bont et al., 2013) and a large RCT (van den Berg et al., 2015) with two additional sub-analyses (de Bont et al., 2016; Van Minnen et al., 2016). A few years later, Adams et al. (2020) published another systematic literature review in which they highlighted that 6 studies were published between 2008 and 2017 that evaluated EMDR as a psychological treatment of psychotic patients. Two of these studies were conducted in the UK (McGoldrick et al., 2008; Laugharne, Marshall, Laugharne, & Hassard, 2015), two in the Netherlands (de Bont et al., 2016; van den Berg & van der Gaag, 2012); one in Germany (Kratzer et al., 2017) and the last one in South Korea (Kim et al., 2010). Cross-referencing all these data, we count a total of 9 studies that have tested the AIP (Adaptive Information Processing) model on psychosis. In the study conducted by McGoldrick Begun & Brown (2008), the authors point out that EMDR led to complete remission in all the patients of their sample with the olfactory reference syndrome. In a sample of 45 hospitalized participants with acute schizophrenia divided into 3 groups of 15 each, Kim et al. (2010) tested these 3 methods EMDR (Group 1), Progressive Muscle Relaxation (PMR; Group 2) and Treatment as usual (TAU; Group 3) and showed that EMDR did not change the patient's situation more than the other treatments, rather it increased negative symptoms. The results of the studies conducted by Van Den Berg and Van Der Gaag (2012), De Bont et al. 2013) and Van Minnen (2016) on patients with schizophrenia spectrum disorder on one hand, and psychotic disorder on the other hand, show that EMDR helps to significantly decrease PTSD symptoms. These results were maintained three months after treatment (De Bont study). The results of other studies highlight the decrease in psychotic symptoms (De Bont et al; 2016; Yassar, 2017). Moreover, EMDR would allow the improvement not only of PTSD symptoms, but also of the patient's general psychopathology and quality of life (Laugharne et al., 2015). Finally, the results of the study conducted by Krater et al; (2017) on a sample of psychotic patients indicate an initial increase of anxiety, hallucinations and dissociative experiences, followed by a remission of PTSD and a significant decrease in positive psychotic symptoms observed 6 months after treatment.