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Elephants know when their bodies are obstacles to success in a novel transfer task.

ABSTRACT: The capacity to recognise oneself as separate from other individuals and objects is difficult to investigate in non-human animals. The hallmark empirical assessment, the mirror self-recognition test, focuses on an animal's ability to recognise itself in a mirror and success has thus far been demonstrated in only a small number of species with a keen interest in their own visual reflection. Adapting a recent study done with children, we designed a new body-awareness paradigm for testing an animal's understanding of its place in its environment. In this task, Asian elephants (Elephas maximus) were required to step onto a mat and pick up a stick attached to it by rope, and then pass the stick forward to an experimenter. In order to do the latter, the elephants had to see their body as an obstacle to success and first remove their weight from the mat before attempting to transfer the stick. The elephants got off the mat in the test significantly more often than in controls, where getting off the mat was unnecessary. This task helps level the playing field for non-visual species tested on cognition tasks and may help better define the continuum on which body- and self-awareness lie.

SUBMITTER: Dale R

PROVIDER: S-EPMC5389349 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Elephants know when their bodies are obstacles to success in a novel transfer task.

Dale Rachel R Dale Rachel R Plotnik Joshua M JM

Scientific reports 20170412

The capacity to recognise oneself as separate from other individuals and objects is difficult to investigate in non-human animals. The hallmark empirical assessment, the mirror self-recognition test, focuses on an animal's ability to recognise itself in a mirror and success has thus far been demonstrated in only a small number of species with a keen interest in their own visual reflection. Adapting a recent study done with children, we designed a new body-awareness paradigm for testing an animal ...[more]

PMID: 28402335

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Project description:IntroductionThere is a growing drive to improve the heterogeneity of medical school cohorts. However, those from lower socio-economic groups remain under-represented. Understanding the methods used by applicants to prepare for medical school selection, and the challenges they face with respect to opportunities and access, may provide important insights to this lack of diversity. This research considered the influence of socio-demographic background on preparation for medical school selection and on the successful offer of a place.MethodsAll eligible applicants to a large UK medical school were invited to complete an anonymous online survey (international and mature applicants excluded), detailing demographic data and experiences of preparing for selection and challenges faced (n = 1885). Selection outcomes across all UK medical schools were examined for consenting students (n = 955). Univariate and multivariate analyses explored the associations of preparatory activities and demographic data with subsequent offer of a place at a UK medical school.ResultsThe survey response rate was 66.4%. Clinical work experience (hospital or general practice), fee-based courses for admissions tests and school preparation courses for interview were activities significantly associated with the offer of a place (P < .05). Those attending independent (private) schools most frequently reported school support and fee-based courses to support preparation (P < .01). Applicants from state non-selective (SNS) schools and lower socio-economic groups more frequently reported challenges in accessing fee-based support, school interview courses and clinical work experience (P ≤ .02).DiscussionClinical work experience, commercial courses for admissions tests and school-based support for interview represent areas of preparation that are associated with success. However, they also represent areas that are more challenging to access for demographic groups traditionally under-represented in medicine. Addressing complex issues of fairness in highly selective higher education settings can appear an insurmountable task. These preparatory activities represent key areas for applicants, schools and institutions to explore and address.

Project description:BackgroundHand hygiene is the cornerstone of infection control and reduces rates of healthcare associated infection. There are limited data evaluating hand hygiene adherence and hand hygiene campaign effect in resource-limited settings, especially in Sub-Saharan Africa. This study assessed the impact of implementing a World Health Organization (WHO)-recommended multimodal hand hygiene campaign at a hospital in Ethiopia.MethodsThis study included a before-and-after assessment of health care worker (HCW) adherence with WHO hand hygiene guidelines. It was implemented in three phases: 1) baseline evaluation of hand hygiene adherence and hospital infrastructure; 2) intervention (distribution of commercial hand sanitizer and implementation of an abbreviated WHO-recommended multimodal hand hygiene campaign); and 3) post-intervention evaluation of HCW hand hygiene adherence. HCWs' perceptions of the campaign and hand sanitizer tolerability were assessed through a survey performed in the post-intervention period.ResultsAt baseline, hand washing materials were infrequently available, with only 20% of sinks having hand-washing materials. There was a significant increase in hand hygiene adherence among HCWs following implementation of a WHO multimodal hand hygiene program. Adherence increased from 2.1% at baseline (21 hand hygiene actions/1000 opportunities for hand hygiene) to 12.7% (127 hand hygiene actions /1000 opportunities for hand hygiene) after the implementation of the hand hygiene campaign (OR?=?6.8, 95% CI 4.2-10.9). Hand hygiene rates significantly increased among all HCW types except attending physicians. Independent predictors of HCW hand hygiene compliance included performing hand hygiene in the post-intervention period (aOR?=?5.7, 95% CI 3.5-9.3), in the emergency department (aOR?=?4.9, 95% CI 2.8-8.6), during patient care that did not involve Attending Physician Rounds (aOR?=?2.4, 95% CI 1.2-4.5), and after patient contact (aOR?=?2.1, 95% CI 1.4-3.3). In the perceptions survey, 64.0% of HCWs indicated preference for commercially manufactured hand sanitizer and 71.4% indicated their hand hygiene adherence would improve with commercial hand sanitizer.ConclusionsThere was a significant increase in hand hygiene adherence among Ethiopian HCWs following the implementation of a WHO-recommended multimodal hand hygiene campaign. Dissatisfaction with the current WHO-formulation for hand sanitizer was identified as a barrier to hand hygiene adherence in our setting.

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Elephants know when their bodies are obstacles to success in a novel transfer task.

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Elephants know when their bodies are obstacles to success in a novel transfer task.

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