Interictal Neurocognitive Processing of Visual Stimuli in Migraine: Evidence from Event-Related Potentials

Research has established decreased sensory habituation as a defining feature in migraine, while decreased cognitive habituation has only been found with regard to cognitive assessment of the relative probability of the occurrence of a stimulus event. Our study extended the investigation of interictal habituation in migraine to include cognitive processing when viewing of a series of visually-complex images, similar to those we encounter on the internet everyday. We examined interictal neurocognitive function in migraine from a habituation perspective, using a novel paradigm designed to assess how the response to a series of images changes over time. Two groups of participants--migraineurs (N = 25) and non-migraine controls (N = 25)--were asked to view a set of 232 unfamiliar logos in the context of a target identification task as their brain electrical responses were recorded via event-related potentials (ERPs). The set of logos was viewed serially in each of 10 separate trial blocks, with data analysis focusing on how the ERP responses to the logos in frontal electrodes from 200-600 ms changed across time within each group. For the controls, we found that the amplitude of the late positive potential (LPP) ERP component elicited by the logos had no significant change across trial blocks. In contrast, in migraineurs we found that the LPP significantly increased in amplitude across trial blocks, an effect consistent with a lack of habituation to visual stimuli seen in previous research. Our findings provide empirical support abnormal cognitive processing of complex visual images across time in migraineurs that goes beyond the sensory-level habituation found in previous research

IMPACT OF THE COVID-19 PANDEMIC ON ORAL HEALTH CARE IN CHILDREN WITH LEUKEMIA – A REVIEW

Aim of the study This paper aims to review existent literature regarding the impact of COVID-19 pandemic on oral health care in children with leukaemia. Material and methods An evaluation of the literature was carried out, after searching available databases for the following terms: COVID-19, oral care, paediatric oncology patients. Results The COVID-19 pandemic seems to have strongly interfered with dental care management of paediatric patients in terms of altering or disrupting treatments, restricting procedures and techniques, and an overall decrease in paediatric dental procedures worldwide. Literature is scarce regarding oral healthcare of paediatric oncology patients not only but especially during this period. Conclusions: Further studies are required to evaluate the amplitude of factors which impacted oral health in children with leukaemia

Interictal neurocognitive processing of visual stimuli in migraine: evidence from event-related potentials.

Research has established decreased sensory habituation as a defining feature in migraine, while decreased cognitive habituation has only been found with regard to cognitive assessment of the relative probability of the occurrence of a stimulus event. Our study extended the investigation of interictal habituation in migraine to include cognitive processing when viewing of a series of visually-complex images, similar to those we encounter on the internet everyday. We examined interictal neurocognitive function in migraine from a habituation perspective, using a novel paradigm designed to assess how the response to a series of images changes over time. Two groups of participants--migraineurs (N = 25) and non-migraine controls (N = 25)--were asked to view a set of 232 unfamiliar logos in the context of a target identification task as their brain electrical responses were recorded via event-related potentials (ERPs). The set of logos was viewed serially in each of 10 separate trial blocks, with data analysis focusing on how the ERP responses to the logos in frontal electrodes from 200-600 ms changed across time within each group. For the controls, we found that the amplitude of the late positive potential (LPP) ERP component elicited by the logos had no significant change across trial blocks. In contrast, in migraineurs we found that the LPP significantly increased in amplitude across trial blocks, an effect consistent with a lack of habituation to visual stimuli seen in previous research. Our findings provide empirical support abnormal cognitive processing of complex visual images across time in migraineurs that goes beyond the sensory-level habituation found in previous research

ORAL HEALTH OF YOUNG INDIVIDUALS WITH DISABILITIES, AN INDICATOR FOR THE QUALITY OF LIFE

Aim of the study Disability does not annul the right of an individual to receive qualitative health care, which includes oral and dental care; instead, it should actually increase the attentiveness of caregivers and medical providers regarding oral hygiene and treatment measures, considering the high risks of this category of population. Especially in the case of children and adolescents, population with a high prevalence of different types of disabilities, oral and dental care is often disregarded. This study aims to review current information in literature referring to disabled children and adolescents and the management of oral and dental care in the context of their quality of life. Material and methods A literature review was performed, after evaluating recent articles and studies, using the search terms: children, adolescents, disability, dental care. Results Inclusion of disabled individuals and their integration in society is more and more present, leading to concern regarding healthcare needs in general, and oral and dental care needs in particular. Since children and adolescents with disabilities present a greater risk for dental caries and periodontal pathology, efforts are made to prevent and properly manage these conditions. Conclusions Special needs dentistry benefits from the incredible evolution of social perception on disability, as well as technological and medical development available. Nevertheless, in our country, oral healthcare and dental prevention programs aimed at children and adolescents with disability are scarce, underlying an urgent need to develop and implement national strategies and plans to fulfil the worldwide current objective of a caries-free population

Grand-averaged mean amplitudes as a function of group, block, and time window (a. 200-400 ms; b. 400-600 ms), averaged across frontal-central electrodes F3, FZ, F4, C3, CZ, and C4.

<p>Control Group (N=25). Migraine Group (N=25).</p