The coronavirus disease 2019 (COVID-19) pandemic is having a profound effect on all aspects of society, including mental health and physical health. We explore the psychological, social, and neuroscientific effects of COVID-19 and set out the immediate priorities and longer-term strategies for mental health science research. These priorities were informed by surveys of the public and an expert panel convened by the UK Academy of Medical Sciences and the mental health research charity, MQ: Transforming Mental Health, in the first weeks of the pandemic in the UK in March, 2020. We urge UK research funding agencies to work with researchers, people with lived experience, and others to establish a high level coordination group to ensure that these research priorities are addressed, and to allow new ones to be identified over time. The need to maintain high-quality research standards is imperative. International collaboration and a global perspective will be beneficial. An immediate priority is collecting high-quality data on the mental health effects of the COVID-19 pandemic across the whole population and vulnerable groups, and on brain function, cognition, and mental health of patients with COVID-19. There is an urgent need for research to address how mental health consequences for vulnerable groups can be mitigated under pandemic conditions, and on the impact of repeated media consumption and health messaging around COVID-19. Discovery, evaluation, and refinement of mechanistically driven interventions to address the psychological, social, and neuroscientific aspects of the pandemic are required. Rising to this challenge will require integration across disciplines and sectors, and should be done together with people with lived experience. New funding will be required to meet these priorities, and it can be efficiently leveraged by the UK's world-leading infrastructure. This Position Paper provides a strategy that may be both adapted for, and integrated with, research efforts in other countries.

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Preventative psychological interventions to aid women after traumatic childbirth are needed. This proof-of-principle randomized controlled study evaluated whether the number of intrusive traumatic memories mothers experience after emergency caesarean section (ECS) could be reduced by a brief cognitive intervention. 56 women after ECS were randomized to one of two parallel groups in a 1:1 ratio: intervention (usual care plus cognitive task procedure) or control (usual care). The intervention group engaged in a visuospatial task (computer-game ‘Tetris’ via a handheld gaming device) for 15 min within six hours following their ECS. The primary outcome was the number of intrusive traumatic memories related to the ECS recorded in a diary for the week post-ECS. As predicted, compared with controls, the intervention group reported fewer intrusive traumatic memories (M = 4.77, SD = 10.71 vs. M = 9.22, SD = 10.69, d = 0.647 [95% CI: 0.106, 1.182]) over 1 week (intention-to-treat analyses, primary outcome). There was a trend towards reduced acute stress re-experiencing symptoms (d = 0.503 [95% CI: −0.032, 1.033]) after 1 week (intention-to-treat analyses). Times series analysis on daily intrusions data confirmed the predicted difference between groups. 72% of women rated the intervention “rather” to “extremely” acceptable. This represents a first step in the development of an early (and potentially universal) intervention to prevent postnatal posttraumatic stress symptoms that may benefit both mother and child.Clinical trial registrationClinicalTrials.gov, www.clinicaltrials.gov, NCT02502513.

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Intrusive memories of a traumatic event can be distressing and disruptive, and comprise a core clinical feature of post-traumatic stress disorder (PTSD). Intrusive memories involve mental imagery-based impressions that intrude into mind involuntarily, and are emotional. Here we consider how recent advances in cognitive science have fueled our understanding of the development and possible treatment of intrusive memories of trauma. We conducted a systematic literature search in PubMed, selecting articles published from 2008 to 2018 that used the terms “trauma” AND (“intrusive memories” OR “involuntary memories”) in their abstract or title. First, we discuss studies that investigated internal (neural, hormonal, psychophysiological, and cognitive) processes that contribute to intrusive memory development. Second, we discuss studies that targeted these processes using behavioural/pharmacological interventions to reduce intrusive memories. Third, we consider possible clinical implications of this work and highlight some emerging research avenues for treatment and prevention, supplemented by new data to examine some unanswered questions. In conclusion, we raise the possibility that intrusive memories comprise an alternative, possibly more focused, target in translational research endeavours, rather than only targeting overall symptoms of disorders such as PTSD. If so, relatively simple approaches could help to address the need for easy-to-deliver, widely-scalable trauma interventions.

This paper describes a distinct clinical approach to the treatment of Posttraumatic Stress Disorder (PTSD). It is theoretically guided by recent cognitive models of PTSD and explicitly combines cognitive therapy techniques within exposure/reliving procedures. A clinically pertinent distinction is made between the cognitions and emotions experienced at the time of the trauma and, subsequently, in flashback experiences, and secondary negative appraisals. The term peritraumatic emotional “hotspot” is used to describe moments of peak distress during trauma. It is argued that a focus on cognitively restructuring these peritraumatic emotional hotspots within reliving can significantly improve the effectiveness of the treatment of PTSD and help explain some treatment failures with traditional prolonged exposure. An approach to the identification and treatment of these hotspots is detailed for a range of cognitions and emotions not limited to fear.

Objective: The core clinical feature of posttraumatic stress disorder (PTSD) is recurrent intrusive memories of trauma. This study aimed to test a novel and simple intervention, inspired by the concepts of concurrent task interference and memory reconsolidation, to reduce the occurrence of intrusive memories among inpatients with complex PTSD. Method: In this open-label single case series 20 patients with longstanding complex PTSD in inpatient treatment monitored the occurrence of intrusive trauma memories (intrusions) over the course of their admission (5 to 10 weeks). Patients received study-specific intervention sessions (including a memory reminder for a specific intrusion then 25 min Tetris gameplay) on a weekly basis. A within-subjects multiple baseline AB design was used, in that the length of baseline (“A,” preintervention, monitoring only) and postintervention (“B”) phases varied within-subjects across individual intrusions. Further, some intrusions were never targeted by the intervention. The study was registered prior to analysis, ISRCTN34320836. Results: Frequency of targeted intrusions reduced by on average 64% from baseline to the postintervention phase. Conversely, never-targeted intrusions reduced in frequency by on average 11% over a comparable time-period. Of the 20 patients, 16 met our criteria for showing “response” to the intervention. Conclusions: Results provide initial evidence that this brief behavioral procedure might reduce the occurrence of intrusive traumatic memories in longstanding and complex PTSD, here delivered in an inpatient setting. The potential of this simple, focused intervention opens up new possibilities for tackling a core clinical symptom of PTSD, warranting further research.

The effects of the COVID-19 pandemic on population mental health are unknown. We need to understand the scale of any such impact in different sections of the population, who is most affected and how best to mitigate, prevent and treat any excess morbidity. We propose a coordinated and interdisciplinary mental health science response.