AN EXPLORATION OF THE VALIDITY OF INFERENCES MADE FROM THE INTERPERSONAL AND SOCIAL EMPATHY INDEX (ISEI)

Social empathy is the ability to understand other people by perceiving or experiencing their life situations, thus providing an opportunity to gain insight into social inequalities. Institutions of higher education have unique opportunities to engage students in socially just educational conversations that challenge negative social biases of others who are not like them. The current study investigated the validity of the inferences made from the Interpersonal and Social Empathy Index (ISEI), a common tool used to explore levels of empathy among college students. A comparison was then made between the original constructs described by the instrument developers (Segal et. al., 2013) and the constructs present in the data collected for this study. Factor analysis results indicated a structure different from that proposed by the instrument developers. While the number of latent factors in the current study is the same as those proposed by the original instrument developers (4), items composing the factors were different. Consequently, subscale scores calculated using developer suggested items may not be the best representation of latent constructs related to empathy

Life happens when you are young: reminiscence bump in cultural life scripts regardless of number of events elicited

Cultural life scripts are representations of a prototypical life course within a culture, consisting of a shared understanding of culturally important transitional events and their timing. Cultural life scripts contain a “bump” for events in adolescence and early adulthood, mirroring the reminiscence bump in autobiographical memory. However, the bump in the cultural life script might be due to the typical methodology used, namely generating only the seven most important events in a prototypical life, thus prioritizing early events. Here, we tested whether expanding the number of events would level the bump in the cultural life script. Four groups of 100 participants each generated a cultural life script with four, seven, 15 or 25 events. Across groups, there was a clear bump in adolescence and early adulthood, showing that the bump in cultural life scripts is highly robust and not an artefact of methodology

A conceptual and empirical framework for the social distribution of cognition: The case of memory

In this paper, we aim to show that the framework of embedded, distributed, or extended cognition offers new perspectives on social cognition by applying it to one specific domain: the psychology of memory. In making our case, first we specify some key social dimensions of cognitive distribution and some basic distinctions between memory cases, and then describe stronger and weaker versions of distributed remembering in the general distributed cognition framework. Next, we examine studies of social influences on memory in cognitive psychology, and identify the valuable concepts and methods to be extended and embedded in our framework; we focus in particular on three related paradigms: transactive memory, collaborative recall, and social contagion. Finally, we sketch our own early studies of individual and group memory developed within our framework of distributed cognition, on social contagion of autobiographical memories, collaborative flashbulb memories, and memories of high school at a high school reunion. We see two reciprocal benefits of this conceptual and empirical framework to social memory phenomena: that ideas about distributed cognition can be honed against and tested with the help of sophisticated methods in the social cognitive psychology of memory; and conversely, that a range of social memory phenomena that are as yet poorly understood can be approached afresh with theoretically motivated extensions of existing empirical paradigms

The Relationship Between Academic Supplies and Academic Performance

Many students attending college lack the resources for academic supplies to help them achieve academic success. This study was informed by Walberg’s Theory of Educational Productivity and Maslow’s Hierarchy of Needs to aid in the understanding of how access to academic supplies affects academic achievement as well as graduation and retention rates. This research focused on the access to academic supplies and a student’s academic performance. The research was a mixed methods approach with a randomized sample of 75 participants. A hard copy survey was distributed in the highest trafficked areas on a college campus. In addition to the demographic questions, the participants answered questions about their academic performance and access to academic supplies. The data was analyzed through quantitative analysis and qualitative analysis examining the open-ended questions by identifying codes, categories, and collapsing into sizeable themes. Although the quantitative analyses revealed no significant relationship between academic supplies and academic performance, there were findings that supported differences between first-generation students. More than half of the participants who identified as a first-generation student did not know there were free resources available compared to non-first-generation student participants. The crosstabulation revealed students indicated the reason they received below a C in a course was due to textbooks, access codes, and other limited accessibility issues. African American students had the largest percentage within their group who received below a C due to not having access to textbooks (60%; n=6) compared to 13.2% (n=7) of Whites and 12.5% (n=1) of Hispanic/Latinx students. The qualitative analyses revealed three major outcomes: 1) textbooks are expensive, 2) textbooks are sold out quickly and 3) financial aid does not flow into students\u27 accounts until later in the semester. The research provides awareness and informs alternative cost-efficient academic materials to improve student success

The impact of self-reported hearing difficulties on memory collaboration in older adults

Cognitive scientists and philosophers recently have highlighted the value of thinking about people at risk of or living with dementia as intertwined parts of broader cognitive systems that involve their spouse, family, friends, or carers. By this view, we rely on people and things around us to “scaffold” mental processes such as memory. In the current study, we identified 39 long-married, older adult couples who are part of the Australian Imaging Biomarkers and Lifestyle (AIBL) Study of Ageing; all were cognitively healthy but half were subjective memory complainers. During two visits to their homes 1 week apart, we assessed husbands’ and wives’ cognitive performance across a range of everyday memory tasks working alone (Week 1) versus together (Week 2), including a Friends Task where they provided first and last names of their friends and acquaintances. As reported elsewhere, elderly couples recalled many more friends’ names working together compared to alone. Couples who remembered successfully together used well-developed, rich, sensitive, and dynamic communication strategies to boost each other’s recall. However, if one or both spouses self-reported mild-to-moderate or severe hearing difficulties (56% of husbands, 31% of wives), couples received less benefit from collaboration. Our findings imply that hearing loss may disrupt collaborative support structures that couples (and other intimate communicative partners) hone over decades together. We discuss the possibility that, cut off from the social world that scaffolds them, hearing loss may place older adults at greater risk of cognitive decline and dementia

Role of invariant Thr80 in human immunodeficiency virus type 1 protease structure, function, and viral infectivity

Sequence variability associated with human immunodeficiency virus type 1 (HIV-1) is useful for inferring structural and/or functional constraints at specific residues within the viral protease. Positions that are invariant even in the presence of drug selection define critically important residues for protease function. While the importance of conserved active-site residues is easily understood, the role of other invariant residues is not. This work focuses on invariant Thr80 at the apex of the P1 loop of HIV-1, HIV-2, and simian immunodeficiency virus protease. In a previous study, we postulated, on the basis of a molecular dynamics simulation of the unliganded protease, that Thr80 may play a role in the mobility of the flaps of protease. In the present study, both experimental and computational methods were used to study the role of Thr80 in HIV protease. Three protease variants (T80V, T80N, and T80S) were examined for changes in structure, dynamics, enzymatic activity, affinity for protease inhibitors, and viral infectivity. While all three variants were structurally similar to the wild type, only T80S was functionally similar. Both T80V and T80N had decreased the affinity for saquinavir. T80V significantly decreased the ability of the enzyme to cleave a peptide substrate but maintained infectivity, while T80N abolished both activity and viral infectivity. Additionally, T80N decreased the conformational flexibility of the flap region, as observed by simulations of molecular dynamics. Taken together, these data indicate that HIV-1 protease functions best when residue 80 is a small polar residue and that mutations to other amino acids significantly impair enzyme function, possibly by affecting the flexibility of the flap domain

Methane emissions from oil and gas platforms in the North Sea

Since 1850 the concentration of atmospheric methane (CH4), a potent greenhouse gas, has more than doubled. Recent studies suggest that emission inventories may be missing sources and underestimating emissions. To investigate whether offshore oil and gas platforms leak CH4 during normal operation, we measured CH4 mole fractions around eight oil and gas production platforms in the North Sea which were neither flaring gas nor offloading oil. We use the measurements from summer 2017, along with meteorological data, in a Gaussian plume model to estimate CH4 emissions from each platform. We find CH4 mole fractions of between 11 and 370 ppb above background concentrations downwind of the platforms measured, corresponding to a median CH4 emission of 6.8 g CH4 s−1 for each platform, with a range of 2.9 to 22.3 g CH4 s−1. When matched to production records, during our measurements individual platforms lost between 0.04 % and 1.4 % of gas produced with a median loss of 0.23 %. When the measured platforms are considered collectively (i.e. the sum of platforms' emission fluxes weighted by the sum of the platforms' production), we estimate the CH4 loss to be 0.19 % of gas production. These estimates are substantially higher than the emissions most recently reported to the National Atmospheric Emission Inventory (NAEI) for total CH4 loss from United Kingdom platforms in the North Sea. The NAEI reports CH4 losses from the offshore oil and gas platforms we measured to be 0.13 % of gas production, with most of their emissions coming from gas flaring and offshore oil loading, neither of which was taking place at the time of our measurements. All oil and gas platforms we observed were found to leak CH4 during normal operation, and much of this leakage has not been included in UK emission inventories. Further research is required to accurately determine total CH4 leakage from all offshore oil and gas operations and to properly include the leakage in national and international emission inventories

Returning home: heritage work among the Stl'atl'imx of the Lower Lillooet River Valley

This article focusses on heritage practices in the tensioned landscape of the Stl’atl’imx (pronounced Stat-lee-um) people of the Lower Lillooet River Valley, British Columbia, Canada. Displaced from their traditional territories and cultural traditions through the colonial encounter, they are enacting, challenging and remaking their heritage as part of their long term goal to reclaim their land and return ‘home’. I draw on three examples of their heritage work: graveyard cleaning, the shifting ‘official’/‘unofficial’ heritage of a wagon road, and marshalling of the mountain named Nsvq’ts (pronounced In-SHUCK-ch) in order to illustrate how the past is strategically mobilised in order to substantiate positions in the present. While this paper focusses on heritage in an Indigenous and postcolonial context, I contend that the dynamics of heritage practices outlined here are applicable to all heritage practices