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PubMed1990

Molecular cloning and complete nucleotide sequence of the attenuated rabies virus SAD B19.

Complementary DNA spanning the entire genome of the attenuated rabies virus strain SAD B19 which is used for oral immunization of foxes in Europe was cloned and sequenced. The viral genome comprises 11,928 nucleotides and encodes the five viral proteins N, NS, M, G, and L. Deduced protein sequences are highly similar to those of the pathogenic PV strain, homologies ranging from 90.6% for the M to 98.6% for the L protein. The five cistrons are separated by intergenic regions of 2, 5, 5, and 24 nucleotides, respectively. The G transcription stop/polyadenylation consensus signal in SAD B19 is destroyed by a deletion of three A residues. The strong conservation of both noncoding and coding nucleotide sequences indicates a high selective pressure on the primary structure of rabies virus genomic RNA.

Amino Acid Sequence↗
PubMedDate not supplied

Comparison of major depressive patients with a predominantly sad versus anxious mood.

One hundred and seventy-seven patients with major depressive disorder (MDD) experienced a mood disturbance that could be characterized as predominantly sad (55%), anxious (31%) or mixed (14%). Patients that had a predominantly sad mood were more likely to be hypersomnic, anhedonic, younger and seen in an outpatient setting. Predominantly anxious MDD patients were more likely to have been hospitalized, agitated, psychotic, incapacitated, insomnic, and to have had higher post-dexamethasone cortisol levels.

Adult↗
PubMed1987

Assessment of specific drug disorders in a sample of substance abuse patients: a comparison of the DIS and the SADS-L procedures.

Both the DIS and the SADS-L interviews offer researchers a procedure for assessing the presence of drug disorders categorized by drug class, as defined by psychiatric nomenclatures. In this study, the performance of the drug section of each interview was compared in a sample of hospitalized substance abuse patients. The classes of drug disorders assessed by both instruments and reported here include narcotics, amphetamines, sedatives and tranquilizers, cannabis, cocaine, and hallucinogens. On a group level, the DIS and SADS-L agreed fairly well for all drug classes except hallucinogens. A within-DIS comparison of DSM-III and Research Diagnostic Criteria (RDC) diagnoses followed the same pattern, except with higher agreement. Distinctions between drug abuse and dependence within a drug class were not as reliable as overall assessments. On only a small proportion of patients did the instruments agree completely for all drug classes within an individual. Implications of the findings for research on drug problems are discussed.

Humans↗
PubMed2005

Attention and emotion: does rating emotion alter neural responses to amusing and sad films?

Functional neuroimaging of affective systems often includes subjective self-report of the affective response. Although self-report provides valuable information regarding participants' affective responses, prior studies have raised the concern that the attentional demands of reporting on affective experience may obscure neural activations reflecting more natural affective responses. In the present study, we used potent emotion-eliciting amusing and sad films, employed a novel method of continuous self-reported rating of emotion experience, and compared the impact of rating with passive viewing of amusing and sad films. Subjective rating of ongoing emotional responses did not decrease either self-reported experience of emotion or neural activations relative to passive viewing in any brain regions. Rating, relative to passive viewing, produced increased activity in anterior cingulate, insula, and several other areas associated with introspection of emotion. These results support the use of continuous emotion measures and emotionally engaging films to study the dynamics of emotional responding and suggest that there may be some contexts in which the attention to emotion induced by reporting emotion experience does not disrupt emotional responding either behaviorally or neurally.

Adolescent↗
PubMed2005

Selective impairment of sadness and disgust recognition in abstinent ecstasy users.

Previous data have suggested that ecstasy use may affect cognitive functions. The relationship between ecstasy use and emotion recognition remains largely unknown. This study reports the findings on the neuropsychological effects of ecstasy use on recognition of basic human emotions among 100 abstinent ecstasy users, along with 100 demographically matched nonusers. Recognition of both facial and prosodic emotions was studied. In addition, neuropsychological predictors of emotion recognition for abstinent ecstasy users were examined. The results showed that abstinent ecstasy users were impaired, relative to nonusers, on overall emotion recognition. In particular, recognition of sadness and disgust was significantly affected. The emotion-recognition deficits observed among the abstinent ecstasy users may reflect a complex derangement of monoamines and/or general degenerative change observed in the addicted populations. The length of time in months since ecstasy was last consumed, cumulative ecstasy dosage, and years of education negatively predicted various domains of emotion recognition. The observation that nonverbal and verbal fluency functions were significant predictors of emotion identification, as well as of recognition of sadness and disgust, suggests that the frontal executive system might be affected by ecstasy use.

Case-Control Studies↗
PubMed2006

Impaired sadness recognition is linked to social interaction deficit in autism.

Can autistic individuals use motion cues to identify simple emotions from 2D abstract animations? We compared emotion recognition ability using a novel test involving computerised animations, and a more conventional emotion recognition test using facial expressions. Adults with autism and normal controls, matched for age and verbal IQ, participated in two experiments. First, participants viewed a series of short (5s) animations. These featured an 'emotional' triangle, interacting with a circle. They were designed to evoke an attribution of emotion to the triangle, which was rated both in terms of anger, happiness, sadness or fear from its pattern of movement, and how animate ("living") it appeared to be. Second, emotion recognition was tested from standardised photographs of facial expressions. In both experiments, adults with autism were significantly impaired relative to comparisons in their perception of sadness. This is the first demonstration that, in autism, individuals can have difficulties both in the interpretation of facial expressions and in the recognition of equivalent emotions based on the movement of abstract stimuli. Poor performance in the animations task was significantly correlated with the degree of impairment in reciprocal social interaction, assessed by the Autism Diagnostic Observation Schedule. Our findings point to a deficit in emotion recognition in autism, extending beyond the recognition of facial expressions, which is associated with a functional impairment in social interaction skills. Our results are discussed in the context of the results of neuroimaging studies that have used animated stimuli and images of faces.

Adult↗
PubMed2004

Communicating sad, bad, and difficult news in medicine.

In every medical specialty bad, sad, and difficult information must be given to patients and their families. An insensitive approach increases the distress of recipients of bad news, may exert a lasting impact on their ability to adapt and adjust, and can lead to anger and an increased risk of litigation. Many doctors also find these interactions stressful, and in the absence of much effective training they may adopt inappropriate ways of delivering bad news and coping with the emotional fall-out. Recognition of these difficulties has led to many initiatives, ranging from increased communication skills training to the development of guidelines and protocols. We review some of the research on the impact that giving sad, bad, and difficult news has on doctors and patients, and assess whether interventions are helping. We focus mainly on difficulties encountered involving parents in an obstetric or paediatric setting, people in acute trauma situations such as accident and emergency departments, and patients with cancer.

Attitude of Health Personnel↗
PubMed2002

Identification of a novel nuclear factor-binding site in the Pisum sativum sad gene promoters.

DNA fragments containing the 5' promoter regions of the Pisum sativum sadA and sadC genes were amplified from genomic DNA, cloned and sequenced. These sequences contain a number of conserved cis-acting elements, which are potentially involved in stress-induced transcription of the sad genes. To determine whether any of the identified elements are active in binding nuclear factors in vitro, 11 60-bp overlapping (by 30 bp) DNA probe fragments covering the proximal sadC promoter sequence (360 bp) were used in electrophoretic mobility shift assays with competition. Binding activities were compared in nuclear extracts from control, UV-B-stressed and wounded pea leaves. The pattern of DNA binding was almost identical with all three extracts, with one 30-bp region being the predominant site for factor binding. Using overlapping sub-fragments of this region, the majority of the specific binding could be attributed to the novel 11-bp GC-rich sequence GTGGCGCCCAC. An almost identical sequence is conserved in the sadA promoter. This motif has features in common with a number of recognised cis-elements, which suggests a possible binding site for factors which play a role in regulating sad gene transcription.

Alcohol Dehydrogenase↗
PubMed1998

Differential amygdala activation in schizophrenia during sadness.

Several studies have reported impaired emotion processing in schizophrenic patients. However, the corresponding functional cerebral correlates of such impairment have not been fully understood, leaving the neurobiological basis of their affective symptoms unknown. Functional magnetic resonance imaging (fMRI) was utilized to examine brain activity in subcortical and cortical regions of 13 medicated male schizophrenic patients and 13 matched healthy controls during happy and sad mood induction. Results show brain activity in the amygdala of normal controls during negative affect, which is in line with previous neuroimaging findings. Unlike controls, schizophrenic patients have not demonstrated amygdala activation during sadness despite matched ratings to normal controls indicating a similar negative affect. Recognizing that structural abnormalities exist in the amygdala of schizophrenic patients, our results provide new evidence of functional abnormalities in the limbic system.

Adult↗
PubMed2003

Left-lateralized fMRI activation in the temporal lobe of high repressive women during the identification of sad prosodies.

We investigated with fMRI whether different lateralization types of cortical activation in prosodic tasks are caused by individually different stress-related coping strategies. After healthy women had been classified as high or low repressive they performed four different identification tasks with acoustically presented speech material while being in the MR scanner. The two materials presented in blocks were emotionally irrelevant CV syllables and adjectives with a mix of different prosodic intonations. Sad and happy intonations had to be targeted by two affective identification tasks in the same adjective mixtures. For testing stimulus-material effects the phoneme /a/ had to be identified both in the syllables and the adjectives. This design allowed us to test influences of coping strategies and affective tasks on cortical activation in both hemispheres. Results showed no differences in global cortical lateralization as a function of high or low repressiveness and no global support for either the valence hypothesis or the right-hemisphere hypothesis of emotional processing. However, we observed differences in auditory and speech cortex. In accordance to the construct of repression/sensitization, high repressive women showed larger left, low repressive women larger right hemisphere activation during the identification of sad intonations. Thus, differences in stress-related coping strategies may not lead to general differences in cortical lateralization, but may depend on specific elicitors and task-relevant brain areas. In contrast, the identification of happy intonations led to strong and right-lateralized global cortical activation independent of coping strategies which complies with the right-hemisphere hypothesis of emotional processing. In addition, this may reflect general cognitive and arousal effects of task difficulty as well as auditory cue-specific attentional effects.

Adaptation, Psychological↗
PubMed1999

Sadness in older persons: 13-year follow-up of a community sample in Baltimore, Maryland.

BACKGROUND: Our prior psychometric work suggested that older adults interviewed in 1981 in a community survey were less likely than younger adults to report dysphoria. We hypothesized that this would also be true of older adults interviewed 13 years later. METHODS: This study is a population-based 13-year follow-up survey of community-dwelling adults living in East Baltimore in 1981. Subjects were the continuing participants of the Baltimore Epidemiologic Catchment Area Program. After excluding 269 adults who were 65 years of age and older at initial interview in 1981, 1651 adults remained (347 aged 65 years and older and 1304 who were 30-64 years-old at follow-up). We applied structural equations with a measurement model for dichotomous data (the MIMIC -- multiple indicators, multiple causes -- model) to compare symptoms between adults who were 65 years and older at follow-up with younger adults, in relation to the nine symptom groups comprising the diagnostic criteria for major depression, adjusting for several potentially influential characteristics (namely, gender, self-reported ethnicity, educational attainment, cognitive impairment, marital status and employment). RESULTS: Older adults were less likely to endorse sadness as evidenced by a direct effect coefficient of -0.335 (95% Confidence Interval -0.643, -0.027). After adjusting for several potentially influential characteristics, the direct effect of age was substantially unchanged (-0.298 (95% CI -0.602, 0.006)). CONCLUSIONS: Older adults in 1994, like older adults in 1981, were less likely to endorse sadness than younger persons. This finding suggests, but does not prove, that the observed age difference in reporting depression does not reflect a cohort effect.

Adult↗
PubMed2001

Skin reactions to histamine of healthy subjects after hypnotically induced emotions of sadness, anger, and happiness.

BACKGROUND: The severity of symptoms in asthma and other hypersensitivity-related disorders has been associated with changes in mood but little is known about the mechanisms possibly mediating such a relationship. The purpose of this study was to examine the influence of mood on skin reactivity to histamine by comparing the effects of hypnotically induced emotions on flare and wheal reactions to cutaneous histamine prick tests. METHODS: Fifteen highly hypnotically susceptible volunteers had their cutaneous reactivity to histamine measured before hypnosis at 1, 2, 3, 4, 5, 10, and 15 min after the histamine prick. These measurements were repeated under three hypnotically induced emotions of sadness, anger, and happiness presented in a counterbalanced order. Skin reactions were measured as change in histamine flare and wheal area in mm2 per minute. RESULTS: The increase in flare reaction in the time interval from 1 to 3 min during happiness and anger was significantly smaller than flare reactions during sadness (P<0.05). No effect of emotion was found for wheal reactions. Hypnotic susceptibility scores were associated with increased flare reactions at baseline (r=0.56; P<0.05) and during the condition of happiness (r=0.56; P<0.05). CONCLUSION: Our results agree with previous studies showing mood to be a predictor of cutaneous immediate-type hypersensitivity and histamine skin reactions. The results are also in concordance with earlier findings of an association between hypnotic susceptibility and increased reactivity to an allergen.

Adult↗
PubMed1997

Social-contextual influences on expectancies for managing anger and sadness: the transition from middle childhood to adolescence.

This study examined the influence of emotion type (i.e., anger, sadness), audience type (i.e., mother, father, best friend), gender, and age on 140 5th-, 8th-, and 11th-grade adolescents' emotion management decisions, emotional self-efficacy, and outcome expectancies. Participants were read 8 vignettes and responded to 8 questions per vignette. Results indicated that 8th-grade adolescents reported regulating emotion most and expected the least interpersonal support from mothers. Children expressed greater self-efficacy and regulation of sadness than of anger. Boys reported dissembling emotion and expecting a negative interpersonal response to emotional behavior more than did girls. Children were more concerned with protecting feelings of friends than with protecting feelings of fathers.

Adolescent↗
PubMed2005

Amygdala activation to sad pictures during high-field (4 tesla) functional magnetic resonance imaging.

Fear-related processing in the amygdala has been well documented, but its role in signaling other emotions remains controversial. The authors recovered signal loss in the amygdala at high-field strength using an inward spiral pulse sequence and probed its response to pictures varying in their degree of portrayed sadness. These pictures were presented as intermittent task-irrelevant distractors during a concurrent visual oddball task. Relative to neutral distractors, sad distractors elicited greater activation along ventral brain regions, including the amygdala, fusiform gyrus, and inferior frontal gyrus. In contrast, oddball targets engaged dorsal sectors of frontal, parietal, and cingulate cortices. The amygdala's role in emotional evaluation thus extends to images of grief and despair as well as to those depicting violence and threat.

Adult↗
PubMed2005

Emotional intensity of idiographic sad memories in depression predicts symptom levels 1 year later.

When cued with generic happy and sad words, depressed individuals have been found to articulate contextually impoverished memories of autobiographical events. Although this pattern predicts a worse symptomatic course of disorder in some depressed samples, longitudinal findings with the cue-word paradigm are inconsistent. To address the etiological significance of autobiographical memories outside the cue-word paradigm, the authors used an idiographic interview in which depressed participants generated memories of their happiest and saddest lifetime events. Each memory was coded for detail and emotional intensity. At a 1-year follow-up, participants' levels of depressive symptoms were reassessed. Lower emotional intensity of saddest memories predicted higher levels of depressive symptoms at follow-up. Several implications for understanding sadness and emotional disclosure in depression are discussed.

Adolescent↗
PubMed2006

The structure and process of emotional experience following nonmarital relationship dissolution: dynamic factor analyses of love, anger, and sadness.

Dynamic factor analysis was used to examine the structure and process of daily emotions in a sample of young adults following a romantic breakup. Participants completed a daily diary for 4 weeks reporting on their love/longing for their ex-partner, anger, and sadness. Using a lag-1 process factor analysis model, results revealed that love/longing, sadness, and anger could be reliably distinguished as separate but correlated mood states in a trivariate model. Four emotional dynamics (amplification, reversing, persistence, and cooccurrence) were operationalized and investigated. Differences in these dynamics were observed on the basis of overall adjustment to the separation and attachment styles. Findings are discussed in terms of attachment and contemporary emotion theories, as well as the need to operationalize time-based affective processes.

Adaptation, Psychological↗
PubMed1997

Treatment of seasonal affective disorder (SAD) with hypericum extract.

Seasonal affective disorder (SAD) is a subgroup of major depression and characterized by a regular occurrence of symptoms in autumn/winter and full remission or hypomania in spring/summer. Light therapy (LT) and recently pharmacotherapy with specific antidepressants have been shown to be beneficial. Within the array of pharmacotherapy hypericum extract has also been found to be effective in a single-blind study (Martinez et al., 1994). In this 4 weeks treatment study 900 mg of hypericum was associated with a significant reduction in the total score of the Hamilton Depression Rating Scale. There was no significant difference when bright light therapy was combined with hypericum, compared to the situation without bright light therapy. Overall, hypericum was well tolerated and therefore the data suggest that pharmacological treatment with hypericum may be an efficient therapy in patients with SAD, which needs to be substantiated in further controlled studies.

Adult↗
PubMedDate not supplied

Body height and weight of children in Novi Sad.

BACKGROUND: Height and weight are the most important measures of growth and development and indirect indicators of living conditions. The socio-economic conditions in Serbia have varied drastically. In 1990, a political and economic crisis started causing a rapid fall of standards of living. AIM: The study aimed to determine the height and weight of children aged 3-11 in the periods between 1971, 1981, 1991 and 2001 in Novi Sad, Serbia. SUBJECTS AND METHODS: This investigation was carried out in the same primary schools and pre-school institutions. The data included children of Serbian nationality born in Novi Sad whose parents were also born there and had the same socio-economic background. RESULTS: Positive changes in height and weight were recorded in the decades 1971-1981 and 1981-1991, except for the height of 8-year-old children. In the period 1991-2001, an increase in height was observed only at the age of 8 in boys and until the age of 9 in girls. As for weight, an increase was recorded in 9-year-old boys, while in girls it was present at all ages except for the ages of 7 and 10. Considering the period 1971-2001, positive changes in height were recorded from the age of 6 in boys and 5 in girls. The changes in weight were positive at all ages except the age of 5 in boys and after the age of 6 in girls. CONCLUSION: Lower values of height and weight recorded in 2001 are probably due to the changes in living conditions or they indicate that the acceleration reached its peak.

Body Height↗