Connecting the Dots from Professional Development to Student Learning.

Following professional development (PD), implementation of contemporary topics into high school biology requires teachers to make critical decisions regarding integration of novel content into existing course scope and sequence. Often exciting topics, such as neuroscience, do not perfectly align with standards. Despite commitment to enacting what was learned in the PD, teachers must adapt novel content to their perceptions of good teaching, local context, prior knowledge of their students, and state and district expectations.

Source credibility and the processing of refutation texts.

The knowledge revision components framework (KReC) outlines the basic comprehension processes and text factors that can be accentuated to increase the potential for knowledge revision during reading. The goal of the present study was to explore source credibility as one such text factor. In Experiment 1, we established the utility of a set of refutation texts in influencing knowledge revision.

Post-training glucose administration attenuates forgetting of passive-avoidance conditioning in 18-day-old rats.

The study of memory modulation in infant rats has typically focused on reminder/retrieval treatments involving reexposure to components of the internal or external training context. Rarely have studies employed pharmacological treatments to investigate the neurochemical substrates of memory storage in preweanling rats. The present study investigated the effect of 100 mg/kg of glucose, a common memory modulator in adult mammals, on memory for passive-avoidance conditioning in 18-day-old Sprague-Dawley rats.

The relationship between nursing staffing levels and nursing home outcomes.

This study examined the effects of selected Minnesota nursing home attributes (size, ownership, noncompliance with a state correction order, and licensed and nonlicensed nursing hours) on specific outcomes (functional ability, discharge home, and death) for residents ages 65 and older, controlling for residents' age and previous functional ability. The functional outcome was operationalized by calculating the resident's Total Dependence Score (TDS), the total score on the assessment of eight activities of daily living (score range: 0-33). Ordinary least squares regression analysis was used to estimate the effects of facility attributes, admission TDS, and age on resident outcomes, and nonlinear probability analyses were used to estimate the effects of facility attributes, admission TDS, and age on the probability of death or discharge home.

A multi-media, computer-based method for stroboscopy rating training.

Methods of training individuals to rate stroboscopic examinations vary widely in rating criteria, viewing times, samples, and length of training. Consequently, problems occur in both inter- and intrajudge agreement. Computer-aided instruction (CAI) provides a means to integrate and control key learning factors that facilitate learning.

Attributes related to college students' attitudes.

Attitudes of 2,624 college students toward working with children with disabilities were identified.

Hope as seen through the eyes of homeless children.

Children now constitute the largest segment of the homeless population. Multiple studies have identified the adverse effects of homelessness on children's health, development, academic success, and behaviour. Minimal literature exists that describes homeless children from the perspective of their strengths.

Methodological challenges to prospective study of an innovation: interregional nursing care management of cardiovascular patients.

This paper discusses the methodological challenges of conducting an interregional intersystem study in a highly competitive health care environment. Nurses from a three-hospital rural health consortium and an urban tertiary medical centre collaborated in a two-phase study (a) to describe current interregional cardiovascular health care process (phase I) and (b) to test an interregional nurse-coordinated cardiovascular health care model (phase II). Phase I was a 1-year exploratory descriptive retrospective study involving patient interviews and chart reviews.

Licensure of adapted physical education teachers and undergraduates' attitudes toward students with disabilities.

This study compared attitudes of 816 undergraduates toward students with disabilities by whether the state licensed teachers for adapted physical education. Analysis indicated mean attitude scores in states with such licensure were significantly more positive than in states working toward licensure and those with none.

Is there hypermnesia and reminiscence for information intentionally forgotten?

Memory performance was examined across consecutive tests in three directed-forgetting experiments. Following word-method or list-method cueing to forget, significant directed forgetting was observed for all tests: Free recall for remember cue words always exceeded free recall for forget cue words. Moreover, following either cueing method, similar magnitudes of hypermnesia (improved free recall across tests) and reminiscence (recovery of words across tests) were observed for both word types.

Fathers of persons with mental illness: a preliminary study of coping capacity and service needs.

Issues faced by fathers coping with the mental illness of an adult child represent an unexplored dimension of service needs. A preliminary exploratory study found that a group of 25 such fathers manifested important indicators of emotional stress that were largely unrecognized and unacknowledged. They also demonstrated typical patterns of healing that were different from those experienced by their wives.

Pretest administration of glucose attenuates infantile amnesia for passive avoidance conditioning in rats.

Infantile amnesia in rats may be attenuated by a wide variety of retrieval cues which reactivate memory for the training episode. The present study investigated the effects of glucose on memory retrieval in infant rats. In Experiment 1, 17-day-old preweanling rats were trained to criterion on passive avoidance conditioning.

Induction of gram-negative bacterial growth by neurochemical containing banana (Musa x paradisiaca) extracts.

Bananas contain large quantities of neurochemicals. Extracts from the peel and pulp of bananas in increasing stages of ripening were prepared and evaluated for their ability to modulate the growth of non-pathogenic and pathogenic bacteria. Extracts from the peel, and to a much lesser degree the pulp, increased the growth of Gram-negative bacterial strains Escherichia coli O157:H7, Shigella flexneri, Enterobacter cloacae and Salmonella typhimurium, as well as two non-pathogenic E.

Neuroendocrine-bacterial interactions in a neurotoxin-induced model of trauma.

Background: The destruction of noradrenergic nerve cell innervation and resultant release of norepinephrine into the systemic circulation accompany severe tissue trauma. To examine whether destruction of noradrenergic neurons may directly influence the growth of indigenous bacteria in vivo, the selective noradrenergic neurotoxic agent 6-hydroxydopamine (6-OHDA) was employed in a murine model of trauma-induced norepinephrine release.

Materials And Methods: Following 6-OHDA administration, the cecums of 6- to 8-week-old male CF-1 mice were excised and examined for total bacterial counts and identification of bacterial species present in both the luminal space and intestinal wall.

Norepinephrine-induced expression of the K99 pilus adhesin of enterotoxigenic Escherichia coli.

This study examined whether the provision of norepinephrine, as would be encountered within the highly innervated gastrointestinal system, affected the growth rate of enterotoxigenic Escherichia coli (ETEC) and the expression of the K99 pilus adhesin virulence-related factor. The addition of norepinephrine to serum-containing medium resulted in a 3- to 7-fold increase in the growth rate of the K99+ ETEC strain B44 as compared to growth in vehicle supplemented medium or medium supplemented with normetanephrine, a norepinephrine metabolite that contains one more methyl group than norepinephrine. ELISA analysis revealed that K99 pilus adhesin expression was increased in norepinephrine supplemented culture as compared to normetanephrine and vehicle supplemented controls.

Alteration of Escherichia coli O157:H7 growth and molecular fingerprint by the neuroendocrine hormone noradrenaline.

The neuroendocrine hormone noradrenaline has previously been shown to increase the growth of Gram-negative bacteria. To determine whether these results were due to noradrenaline-induced genetic rearrangements, arbitrarily-primed PCR utilizing a large number of primers of varying G + C content was performed on Escherichia coli O157:H7 grown in serum-based media at low initial inocula in order to approximate in vivo conditions. In addition to increased growth, bacteria grown in noradrenaline supplemented media displayed a different molecular fingerprint compared with growth in non-noradrenaline supplemented media with a minority of the primers tested.

Norepinephrine induced growth and expression of virulence associated factors in enterotoxigenic and enterohemorrhagic strains of Escherichia coli.

The small intestine is richly innervated by the sympathetic nervous system. High concentrations of monoamines, most notably norepinephrine, are found throughout the various intestinal layers. In order to determine whether norepinephrine is capable of influencing bacterial pathogenesis, the growth and production of virulence factors in ETEC and EHEC were examined in a physiologically relevant medium utilizing very low initial bacterial inoculums to more closely mimie in vivo conditions.