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Author: search.filters.author.Daniel Valenzuela

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    Item type:Publication,
    Nuestros Suelos: exploring new forms of public engagement with polluted soils
    (2022)
    Sebastian Ureta
    ;
    Miriam Llona
    ;
    Rodríguez Oroz, María Delia
    ;
    Daniel Valenzuela
    ;
    Carolina Trujillo
    Despite being a critical environmental problem, soil pollution is not usually considered as a relevant issue by the general public. This disinterest derives from traditional procedures to assess soil pollution that are quite complex and costly, not considering any form of citizen involvement. Seeking to challenge this situation, the project “Nuestros Suelos” (Our Soil) aimed at designing and testing a low-cost participative soil pollution assessment toolkit. The final prototype included several participative modules, going from an assessment of the history of local soils to measuring heavy metals such as Arsenic and Copper. Tested with low-income communities in northern Chile, the toolkit was able not only to produce multiple kinds of data but also a public that started to understand and care about the issue.
      1Scopus© Citations 4
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    Inside minds, beneath diseases: social cognition in amyotrophic lateral sclerosis-frontotemporal spectrum disorder
    (2020)
    Patricia Lillo
    ;
    Paulo Caramelli
    ;
    Gada Musa
    ;
    Teresa Parrao
    ;
    Ricardo Hughes
    <jats:sec><jats:title>Objective</jats:title><jats:p>To compare social cognition performance between patients with amyotrophic lateral sclerosis (ALS) and those patients with behavioural variant frontotemporal dementia (bvFTD).</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>We included 21 participants with ALS, 20 with bvFTD and 21 healthy controls who underwent a comprehensive cognitive battery, including the short version of the Social Cognition and Emotional Assessment (Mini-SEA), which comprises the <jats:italic>faux pas</jats:italic> test and Facial Emotion Recognition Test (FERT); Mini-Mental State Examination; Frontal Assessment Battery; lexical fluency (F-A-S), category fluency (animals/minute), digit span (direct and backwards) tests and the Hayling test. A post hoc analysis was conducted with the patients with ALS divided into two subgroups: patients without cognitive impairment (ALScn; n=13) and patients with cognitive impairment (ALSci; n=8).</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>No significant difference was noted between participant groups in terms of the age, sex and education. ALS-total group and patients with bvFTD had similar disease durations. Patients with ALSci performed poorly when compared with controls with regard to the FERT (p&lt;0.001), the <jats:italic>faux pas</jats:italic> (p&lt;0.004) and the Mini-SEA (p&lt;0.002) total scores. Moreover, patients with bvFTD performed poorly in comparison with controls in executive and social cognition tests. The performance of patients with ALSci was similar to that of patients with bvFTD, while the performance of patients with ALScn was similar to that of controls.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>Our findings support a cognitive continuum between ALS and bvFTD and shed light on the cognitive heterogeneity of ALS, expanding its possible neuropsychological profiles.</jats:p></jats:sec>
      8Scopus© Citations 9