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At least 1,639 records · Page 91Linked to original sources
PubMed1997

A self report measure of affective lability.

OBJECTIVES: The development and validation of the Center for Neurologic Study-Lability Scale (CNS-LS), the first self report measure of affective lability in patients with amyotrophic lateral sclerosis (ALS). METHODS: Potential questionnaire items were identified through interviews with patients and families and expert review. Potential items, as well as measures of affect intensity, affective lability in psychopathology, and depression were administered to 99 patients with ALS for item selection and the examination of factor structure and construct validity. Test-retest reliability was examined using an additional sample of 31 patients with ALS, and criterion related validity was examined by comparing CNS-LS scores with physicians' diagnoses of affective lability in a sample of 77 patients with ALS. RESULTS: A seven item questionnaire emerged, composed of two subscales measuring labile laughter (four items) and labile tearfulness (three items). The CNS-LS showed a pattern of associations with affect intensity, affective lability in psychopathology, and depression consistent with a scale measuring affective lability. The CNS-LS also showed good test-retest reliability and internal consistency, and successfully predicted physicians' diagnoses of affective lability. An auxiliary subscale measuring labile frustration, anger, and impatience also emerged. CONCLUSIONS: The CNS-LS is a short, easily administered, and psychometrically sound measure of affective lability for use with patients with ALS. It has potential applications as both a clinical screening device and a research tool. The need for future research into the relation of depression as well as labile frustration, anger, and impatience to the syndrome of affective lability in neurological disorders is discussed.

Affect↗
PubMed1981

Problems in attracting and retaining psychiatrists in rural areas.

Efforts to eliminate the shortage of psychiatrists in rural areas have been relatively unsuccessful due to the special personal and professional problems facing the rural psychiatrist. The rural psychiatrist may feel personally isolated, encountering a somewhat foreign culture and living in uncomfortable proximity to patients and their families. He may feel professionally frustrated, for his physician colleagues are usually conservative and hold dear the medical model of care. He may suffer the typical frustrations of the psychiatrist working out of a community mental health center, and has little opportunity for professional growth. Academic training centers that train psychiatrists in region where they will work can more adequately prepare trainees for rural practice and can offer continuing education courses to professionals already practicing in the area. These centers should collaborate with mental health facilities to define and respond to manpower problems. Finally, opportunities for rural practitioners to make shifts in career emphasis over time should be created.

Attitude↗
PubMed1997

Attitudes and views of physicians and nurses towards cancer patients dying at home.

The objective was to study attitudes and views of primary care professionals towards terminally ill cancer patients who die at home, using a cross-sectional study based in the health district of Manresa (province of Barcelona, Catalonia, Spain) of the Catalan Health Service, involving 151 primary health care professionals (87 physicians and 64 nurses). By using a self-responded anonymous questionnaire (response rate 89%) it was found that despite excellent motivation, primary care professionals reported widespread frustration and a poor opinion of the quality of care provided to terminally ill cancer patients. Attitudes and views clearly differ by age, sex and geographic setting. In the study area, most professional are reluctant to disclose the diagnosis of cancer, and this attitude is associated with a more favourable assessment of the support provided to the family. The idea that the most appropriate place of death is at home is strongly linked to the belief that patients ought to be informed of their illness, to feelings of frustration and to youth. These findings further substantiate the need and the potential for ample changes in terminal cancer care in Spain.

Adult↗
PubMed2004

A longitudinal analysis of discrete negative emotions and health-services use in elderly individuals.

OBJECTIVE: To test the hypothesis that everyday, discrete negative emotions-anger, frustration, sadness, and fear-relate to health-service use in later life. METHOD: Community-dwelling adults (n = 345) ages 72 to 99 were interviewed about the frequency of recently experienced emotions. Physician visits and hospital admissions in the subsequent 2 years were outcomes. Covariates included prior use of health services, chronic illness, functional status, and demographics. RESULTS: Age, education, and gender moderated relations between negative emotions and health care use. More frustration was associated with fewer physician visits among older individuals. Sadness was associated with more hospital admissions for women. Among those with more education, frequent anger was associated with more physician visits. Projected effects of negative emotions resulted in increases in health-service use, ranging from 18% to 33%. DISCUSSION: The interactions indicate the importance of negative emotions and the larger social and developmental context in health care services use among elderly individuals.

Aged↗
PubMed1980

Preferential drug abuse: defenses and behavioral correlates.

Response styles and defensive patterns of 30 polydrug abusers, 30 sedative-hypnotic abusers, and 30 hospitalized medical control subjects were assessed. These subjects were drug-free and matched for sex, WAIS IQ, and socioeconomic status. The Rorschach was administered to all subjects. A frustration-producing task (insolvable anagrams) was administered to half of the subjects in each group. Solvable anagrams were administered to the remaining subjects. All subjects were then asked to select one of two stories for each of eight TAT cards and complete a Profile of Mood States Questionnaire. The Rorschach data indicate that polydrug abusers are less well organized, less able to delay gratification, and more restless and distractible when compared to the sedative-hypnotic and control groups. The behavioral data lend support to the pharmacodynamic theory of drug abuse in that each drug abuser group responded to the frustration produced by the inability to solve anagrams in a way consistent with the effects of the abused drugs. Implications of these data for treatment planning are discussed.

Adaptation, Psychological↗
PubMed2002

Aftereffects of the surprising presentation and omission of appetitive reinforcers on key-pecking performance in pigeons.

The reinforcement-omission effect (ROE), also known as frustration effect, refers to greater response strength immediately after nonreinforcement (N) than reinforcement (R). The ROE was traditionally interpreted as transient invigoration after N induced by primary frustration. Pigeons demonstrate similar ROEs whether outcomes are surprising (partial R) or expected (discrimination training) in runway (Experiment 1) and Skinner box situations (Experiments 2-3). Variations in the interval between N and the opportunity to respond indicate that the ROE results from an aftereffect of food consumption (Experiment 4). Increasing reinforcer magnitude increased the after-R effect, without modifying the after-N function (Experiment 5). These results are reviewed in the context of comparative research on spaced-trial successive negative contrast and related phenomena that have failed to appear in experiments involving nonmammalian vertebrates.

Animals↗
PubMed2006

Reduction of musculoskeletal injuries in intensive care nurses using ceiling-mounted patient lifts.

The musculoskeletal injury (MSI) rate in the Richmond Hospital Intensive Care Unit (ICU) increased significantly in 2000 and 2001 by 130%. As part of a quality initiative program, the problem was identified, assessed, and a plan was developed that involved the installation of ceiling-mounted patient lifts (CMPL) and the incorporation of a patient positioning sling. The evaluation process included a survey given to the ICU nursing staff prior to the implementation of the CMPL and repeated three, six, and 18 months after implementation. The survey included questions about discomfort, fatigue, and frustration levels before and after a 12-hour shift, as well as any medical interventions such as use of medications, physician visits, physiotherapy, and massage therapy for work-related issues. The use of the lifts contributed to lower scores in fatigue, pain and frustration in addition to a reduction in medical visits. The results also demonstrated a significant reduction in work-related time loss claims while promoting a positive workplace environment.

Absenteeism↗
PubMed1989

[Significance of the reciprocal relationship of monoaminergic systems of the brain in the pharmacological compensation of 6-hydroxydopamine-induced behavior disorders in animals].

The paper studied the methods of compensation of the abnormal emotional behaviour by means of pharmacological substances, which change the content of biogenic amines. The experiments made in the Wistar rats (n-54) whose frustration reaction was diminished by neonatal treatment of 6-OHDA. It was established that recovery of the disturbances in the frustration reaction in the animals with chronic brain system activity deprivation can be achieved not only by the activation of NA system (L-DOPA, DOPS) but also by deactivation of the 5-HT brain system activity (PCPA). These findings confirm suggestion about existence of reciprocal relationship between NA and 5-HT brain systems.

Animals↗
PubMed1984

Aggression in rats as a function of target location in a double alley.

After training in a double alley for 100% food reward in each of two goalboxes, 14 male Long-Evans hooded rats were run on a partial reinforcement schedule with a target rat present in either the first goalbox or the second runway. The incidence of attack was objectively recorded in both locations. Significantly higher levels of aggression were recorded during nonreward trials than during reward trials in the goalbox, or during either nonreward or reward trials in the runway. The results are interpreted as support for the hypothesis that, in general, aggression is elicited by frustration, but that under certain conditions alternative responses to frustration may preclude aggression.

Aggression↗
PubMed1996

Exploring the energy landscapes of molecular recognition by a genetic algorithm: analysis of the requirements for robust docking of HIV-1 protease and FKBP-12 complexes.

Energy landscapes of molecular recognition are explored by performing "semi-rigid" docking of FK-506 and rapamycin with the Fukisawa binding protein (FKBP-12), and flexible docking simulations of the Ro-31-8959 and AG-1284 inhibitors with HIV-1 protease by a genetic algorithm. The requirements of a molecular recognition model to meet thermodynamic and kinetic criteria of ligand-protein docking simultaneously are investigated using a family of simple molecular recognition energy functions. The critical factor that determines the success rate in predicting the structure of ligand-protein complexes is found to be the roughness of the binding energy landscape, in accordance with a minimal frustration principle. The results suggest that further progress in structure prediction of ligand-protein complexes can be achieved by designing molecular recognition energy functions that generate binding landscapes with reduced frustration.

Algorithms↗
PubMed2006

Health-related quality of life in adolescents with juvenile idiopathic arthritis.

OBJECTIVE: To describe the health-related quality of life (HRQOL) of adolescents with juvenile idiopathic arthritis (JIA), and to examine the usefulness of the Juvenile Arthritis Quality of Life Questionnaire (JAQQ) in a UK context. It was hypothesized that HRQOL would decrease with worsening disease and disability. METHODS: Patients with JIA ages 11, 14, and 17 years were recruited from 10 major rheumatology centers. HRQOL was measured using the JAQQ. Other data were core outcome variables including the Childhood Health Assessment Questionnaire, demographic characteristics, arthritis-related knowledge, and satisfaction with health care. RESULTS: Questionnaires were completed by 308 adolescents. One-fifth had persistent oligoarthritis. Median disease duration was 5.7 years (range <1-16 years). The JAQQ was shown to have good psychometric properties when used in the UK, but was not without limitations. HRQOL of adolescents with JIA was less than optimal, particularly in the domains of gross motor and systemic functioning. Items most frequently rated as adolescents' biggest psychological problems were "felt frustrated" and "felt depressed," rated by 30.2% and 23.4%, respectively. These were particularly problematic for the 17-year-olds, with 39% reporting frustration as one of their biggest problems and 63.6% reporting depression. Variation in the adolescent JAQQ scores was explained by functional disability, pain, and disease activity. CONCLUSION: JIA can have a significant adverse effect on the HRQOL of adolescents. The JAQQ is a useful tool to assess the HRQOL of UK adolescents with JIA, but there is need for improved measures that incorporate developmentally appropriate issues.

Adolescent↗
PubMed1977

Stress reactions in organizations: syndromes, causes and consequences.

This study examines the prevalence, causes, and consequences of stress reactions among over 2000 high status members of a large organization in Canada. Five stress syndromes were identified: emotional distress, medication use, cardiovascular disturbance, gastrointestinal disturbance, and allergy respiratory disturbance. The study demonstrates the effects of sociocultural variables on selected stress responses to compare typical symptoms of French vs. English Canadians, and in demographic variables such as age and sex as reflections of stages in the life cycle. Once the sociocultural and demographic effects were isolated, the study revealed a major occupational effect in the distribution of stress syndromes. Managers compared with staff and operations people show a low prevalence of stress reactions. The explanation of this finding led to the evaluation of four possible causes: the maturity effect, the vulnerability effect, the bureaucratic effect, and the power effect. The first two causes assume the objective stressors in the environment are about the same for all occupational groups in the study and the variations in symptoms result from major personality factors held in common among the occupational groups. The second two causes assume that the variations in symptoms result from major differences in the environments of the three occupational groups. Analysis suggests that psychodynamic factors affect the tolerance for stress and the choice of syndrome. The environment, particularly the frustrations and deprivations associated with bureaucracy and the lack of power, activates the defenses against anger and rage that in turn lead to symptom formation. The study concludes with the paradox of the bureaucratic experience. Designed to minimize the uses of power in negotiating work procedures and relationships, bureaucracy requires the mobilization and uses of power to, at a minimum, reduce the risks of falling ill from frustration and anger and, at a maximum, to sense one's impact on events.

Adult↗
PubMed2005

Nonlinear optical properties in calix[n]arenes: orientation effects of monomers.

We investigate the nonlinear optical (NLO) polarizations for various geometric arrangements of the dipolar chromophores in a calix[n]arene geometry. The interactions were studied by using (HF)3 as model compounds both in parallel and frustrated orientations. The interdipolar angle between the monomer molecules is varied so that many different arrangements of the dipoles can be realized which is associated with the opening up of the calix[n]arene rings. Quantum-chemical calculations at both ab initio and semiempirical levels, show that the all-parallel arrangement of the dipoles exhibit the maximum magnitude for the nonlinear optical coefficients at small interdipolar angles for all interdipolar distances. In the frustrated orientations however, the NLO response is maximum at large interdipolar angles corresponding to the flattened calix[n]arene rings. The role of hydrogen bonding in stabilizing these assemblies in various conformations has been investigated. Crystallographic database analysis for calix[3]arenes shows that optical properties in real molecular systems can be modeled based on our simple interaction theory.

Journal Article↗
PubMed2005

Energy-transfer efficiency in stacked oligo(p-phenylene vinylene)s: pronounced effects of order.

The supramolecular structure of two types of oligo(p-phenylene vinylene) (OPV) building blocks in dodecane solution is studied. Monofunctional chromophores (MOPV) form well-defined helical assemblies, whereas bifunctional molecules (BOPV) aggregate into so-called frustrated stacks, lacking any higher helical order. This difference in organization has a major influence on the transfer of excitation energy through the assemblies. Energy transfer to supramolecularly incorporated guests (MOPV with lower bandgap) is used to probe the intrinsic differences in exciton mobility in these two types of mixed aggregates. From the observed donor fluorescence quenching, it can be concluded that the helically ordered nature of the MOPV stacks facilitates the transfer of excitation energy, yielding evidence for higher exciton mobility in the well-ordered assemblies than in the frustrated stacks. Finally, the concept of energy transfer in supramolecular assemblies is extended to the solid state by the successful implementation in a light-emitting diode (LED).

Journal Article↗
PubMedDate not supplied

Assessing and addressing inappropriate sexual behavior in brain-injured clients.

Inappropriate sexual comments and behaviors from clients with brain injuries can be frustrating, awkward, and time consuming for the nurses who are caring for them. Understanding the meaning of these comments and behaviors, as well as receiving direction concerning ways to handle the situation can help nurses overcome their frustration and improve the quality of nursing care. This article examines potential underlying causes of inappropriate sexual behavior, explains the behaviors from client, family, staff, and organizational perspectives, and begins to look at ways to respectfully and sensitively address the behaviors using a model and framework developed by the Sexual Health Service (SHS) at Vancouver Hospital and Health Sciences Centre (VHHSC), in British Columbia, Canada.

Behavior Therapy↗
PubMed2026

Perceptions of Pharmacogenomic Testing Among People With Treatment Resistant Depression: Legitimization as a Facilitator of Acceptance.

Pharmacogenomic testing for psychiatric medications has been proposed as both an early intervention to optimize treatment response, and for use among patients who have tried multiple medications without symptom remission. Therefore, this testing may be particularly salient to the subset of individuals with major depressive disorder for whom depression has been labeled as "treatment resistant". Understanding the impact of this diagnostic label on illness identity and attitudes towards new therapies is important as genomic technology expands and rates of depression increase. We sought to explore perceptions and attitudes towards pharmacogenomic testing among individuals who had received a diagnosis of treatment resistant depression. We conducted a qualitative study with a constructivist orientation. Participants were recruited from a larger genomic research study and interviewed by phone or video call. We took an inductive approach to coding guided by reflexive thematic analysis. Themes were then organized into a relational framework following principles of interpretive description. Twelve individuals were interviewed. Key themes included internalized acceptance/hopelessness, and external validation/frustration, which were cyclically interconnected. These themes were situated within a larger framework illustrating the ways that illness identity and modifying factors such as relief of guilt, social support, pharmacogenomic testing and depressive symptoms can either facilitate acceptance and validation or contribute to feelings of hopelessness and frustration. Though participants expressed some skepticism around its effectiveness, pharmacogenomic testing may contribute to the shift towards acceptance and validation by legitimizing individuals' experiences with lack of treatment response. Genetic counselors and other healthcare providers should be aware of the complex balance between hope and frustration underlying conversations around pharmacogenomic testing, and factors that are more likely to foster self-acceptance.

Humans↗
PubMedDate not supplied

Sensory and affective dimensions of advanced cancer pain.

The present study was designed to explore the extent to which advanced cancer pain is explicable in terms of both physical pain intensity and affect. Most notably, it expanded on previous findings by more clearly elucidating the relationship between several discrete emotional states and the total experience of cancer pain. One hundred and eleven patients with cancer pain attending a Pain and Symptom Control Clinic were studied. Visual Analogue Scales (VASs) were used to quantify overall pain intensity and the accompanying affect. Then, correlations were calculated to evaluate the relationships both between and within these two variables. Overall, the participants rated both the pain intensity and the negative affect associated with that pain as high. Of the examined affective components of pain, frustration and exhaustion were found to be the most significant. In addition, some gender differences were identified in terms of frustration, anger, fear, exhaustion, helplessness, and hopelessness.

Adult↗
PubMed2000

Topological and energetic factors: what determines the structural details of the transition state ensemble and "en-route" intermediates for protein folding? An investigation for small globular proteins.

Recent experimental results suggest that the native fold, or topology, plays a primary role in determining the structure of the transition state ensemble, at least for small, fast-folding proteins. To investigate the extent of the topological control of the folding process, we studied the folding of simplified models of five small globular proteins constructed using a Go-like potential to retain the information about the native structures but drastically reduce the energetic frustration and energetic heterogeneity among residue-residue native interactions. By comparing the structure of the transition state ensemble (experimentally determined by Phi-values) and of the intermediates with those obtained using our models, we show that these energetically unfrustrated models can reproduce the global experimentally known features of the transition state ensembles and "en-route" intermediates, at least for the analyzed proteins. This result clearly indicates that, as long as the protein sequence is sufficiently minimally frustrated, topology plays a central role in determining the folding mechanism.

Bacterial Proteins↗