Mejora de la calidad de vida de personas mayores con intervención en reminiscencia positiva: un estudio piloto / Improving the quality of life of older people with positive reminiscence intervention: a pilot study

En adultos mayores existe mayor prevalencia de deterioro o declive cognitivo y afectivo que la población más joven, por lo que, considerando la creciente población de adultos mayores, se precisa contar con mejores intervenciones que prevengan estas manifestaciones. En el presente estudio se planteó probar la eficacia del “Programa de reminiscencia positiva” (REMPOS), intervención no farmacológica, para el aumento de la calidad de vida de personas mayores en tres situaciones de envejecimiento. Se utilizó un diseño aleatorizado con medida pre-pos con grupo control en tres tipos de envejecimiento: saludable (n= 24), deterioro cognitivo leve (n= 22) y enfermedad de Alzheimer (n= 21). Los resultados mostraron que los grupos experimentales obtuvieron mejoras cognitivas, disminución de sintomatología depresiva, mayor evocación de recuerdos específicos positivos, y mayor satisfacción vital después de la intervención. Este trabajo amplía la evidencia de la eficacia de intervenciones sobre reminiscencia positiva a personas mayores en otros escenarios culturales y en diferentes realidades del proceso de envejecer. (AU)

Older age is associated with a higher prevalence of cognitive and affective decline than in the younger population. For this reason, considering the increasing population aging, and with the continuous growth of this demographic, it is necessary to consider better types of interventions to prevent such decline from manifesting. This study measures the effectiveness of the “Positive reminiscence program” (REMPOS), a non-pharmacological therapy that increases life quality in older people, with a pre-post randomized design with control group in three types of aging: healthy aging (n= 24), mild cognitive impairment (n= 22) and Alzheimer’s Disease (n= 21). The results of the experimental groups revealed higher cognitive levels, lower depressive symptoms, higher specific positive memories recall, and higher life satisfaction after intervention. This study extends the evidence of effectiveness of positive reminiscence interventions for older adults in other cultural backgrounds and types of aging. (AU)

Association between risky behaviors in adolescents and altered psychophysiological emotional responses / Los adolescentes con conductas de riesgo muestran respuesta psicofisiológica alterada

Abstract Introduction: The psychophysiology of emotional response in adolescence is a crucial factor for understanding risk and deviant behaviors. Objective: To compare specific characteristics of psychophysiological emotional response between risk behavior adolescents and controls. Materials and methods: Characterization of risk behaviors (RB), variations in the heart rate (HR), electromyography (EMG), skin conductance (SC) and temperature during the presentation of visual emotional stimuli. The emotional valence parameters, activation and dominance of such stimuli were qualified as well. Results: Significant differences were found among RB adolescents compared to the non-risk group, as well as signs of major psychophysiological response to emotionally loaded stimuli in RB when compared to the control group. The control group was characterized by initial bradycardia, which was more evident than in the risk behavior group. Conclusions: The control group presented more expressive initial bradycardia in comparison to the RB group. Both groups showed more pronounced cardiac deceleration when experiencing unpleasant stimuli, higher levels in EMG to pleasant stimuli in the RB group, and higher CP indicators for the three types of stimulus. A cohort study is required in order to compare current findings in RB versus physiological emotional response among adolescent groups.

Resumen Introducción. La psicofisiología de la respuesta emocional en la adolescencia es un factor clave en la comprensión de conductas de riesgo y desadaptación. Objetivo. Comparar especificidades de la reacción psicofisiológica emocional entre adolescentes con y sin conductas de riesgo. Materiales y métodos. Las medidas consistieron en la caracterización de conductas de riesgo (CR), variaciones en la frecuencia cardiaca (FC) electromiografía (EMG), conductancia de la piel (CP) y temperatura durante la presentación de estímulos emocionales visuales, así como la calificación en parámetros de valencia emocional, activación y dominancia de dichos estímulos. Resultados. Se encontraron diferencias significativas entre los adolescentes con CR comparados con aquellos que no las presentaban: se detectaron signos de mayor reacción psicofisiológica a los estímulos emocionales. Conclusiones. El grupo control se caracterizó por una bradicardia inicial más expresiva en comparación con el grupo con CR, ambos grupos mostraron desaceleración cardíaca más pronunciada ante estímulos desagradables, niveles más altos en EMG ante estímulos agradables en el grupo con RB e indicadores más elevados de CP ante los tres tipos de estímulo. Se requiere un estudio de cohorte a fin de comparar los hallazgos actuales en CR frente a la reacción fisiológica emocional entre los grupos de adolescentes.

Visual verbal working memory processing may be interfered by previously seen faces.

Processing and maintenance in working memory involve active attention allocation; consequently, it is possible that a recognition process could interfere with the performance of highly demanding working memory tasks. Event-related brain potentials (ERPs) were recorded while fourteen healthy male adults performed a visual verbal dual working memory task. Three conditions were examined: A) reference (with no preceding stimuli); B) happy, angry or neutral faces presented 250 ms prior to task onset for 30 ms; and, C) visual noise control condition. Behavioral results showed that reaction times were significantly longer in the condition preceded by the presentation of faces, regardless of their emotional content. ERPs showed a predominantly right temporo-occipital negative component at around 170 ms during conditions B and C (higher amplitude in B), which probably reflects the pre-categorical structural encoding of the face. Succeeding task-onset, an early positive right temporo-parietal component (P380) appeared during condition B, probably reflecting a delayed reallocation of working memory attentional resources to carry out the task requirements. Afterwards, two other main fronto-parietal components were observed in the three conditions: a positive wave that peaked at around 410 ms, and a subsequent negative component (N585). This latter waveform reached a significantly higher amplitude during the reference condition (A) and was interpreted as mirroring the phonologic-lexical manipulation of the stimuli in working memory. These results suggest that early face detection could induce an attentional decrement that interfere a subsequent visual verbal working memory task performance. They also suggest that while face detection and facial emotional content analysis might be parallel processes, they are not onset-synchronized.