Laura Petrini

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In the present high-resolution electroencephalographic (EEG) study, an omitted-stimulus paradigm induced a strong expectancy for a predictable painful stimulation (nonpainful in the control condition). During the expectancy of pain, concurrent cognitive demands were superimposed. The aim was to investigate the effects on primary sensorimotor and central(More)
We present a method for segmenting evoked potentials into functional micro-states. The method is based on measuring the similarity between all the topographic maps in the evoked potential and grouping them into functional micro-states based on minimizing an error function. The similarity is measured as the normalized cross-correlation coefficient. The(More)
Few studies are available in the literature on the sensations artificially created by dual-channel electrocutaneous stimulation. This study assessed the effect of a set of selected stimulation parameters on the sensations evoked by single- or dual-channel electrocutaneous stimulation. The investigated parameters included the stimulation site, the number of(More)
UNLABELLED We tested whether cortical activation anticipating painful stimuli is reduced more by integrative processes on somatosensory painful and motor information relative to the same hand than when that information refers to different hands. In 3 conditions, visual warning stimuli were followed by visual target stimuli associated with an electrical(More)
Pain is a vital sign of human health and its automatic detection can be of crucial importance in many different contexts , including medical scenarios. While most available computer vision techniques are based on RGB, in this paper , we investigate the effect of combining RGB, depth, and thermal facial images for pain intensity level recognition. For this(More)
We investigated whether recognition memory benefits when stimuli are organised in a visuo-spatial array. Three different memory tasks were compared: (a) verbal task (what); (b) spatial task (where); (c) combination task, where both verbal and spatial informations were combined together (what/where). We hypothesised that when visual stimuli are organised in(More)
  • Ruth Defrin, Martina Amanzio, Marina de Tommaso, Violeta Dimova, Sasa Filipovic, David P Finn +10 others
  • 2015
Cognitive impairment (CI) can develop during the course of ageing and is a feature of many neurological and neurodegenerative diseases. Many individuals with CI have substantial, sustained, and complex health care needs, which frequently include pain. However, individuals with CI can have difficulty communicating the features of their pain to others, which(More)
The mirror box illusion has proven a helpful therapy in pathologies such as phantom limb pain, and although the effect has been suggested to be a result of the interaction between pain, vision, touch, and proprioception, the mechanisms are still unknown. Multichannel (124) brain responses were investigated in healthy men (N = 11) and women (N = 14) during(More)
The objective of the present study was to examine the extent to which spatial summation (SS) of thermal senses is affected by skin type and skin thermal sensitivity. A total of 19 healthy subjects underwent measurements of warm- and cold-sensation threshold (WST and CST) with a large (9 cm(2)) and small (2.25 cm(2)) stimulation area, within the glabrous(More)
OBJECTIVES The study investigates the impact of age and gender on (1) experimental pressure pain detection thresholds (PPDT) and pressure pain tolerance thresholds (PPTolT) and (2) participants' self-reports of pain intensity and unpleasantness at suprathreshold and subthreshold levels. METHODS twenty young (20-34, mean age = 24.6 ± 3.6 years, ten female)(More)