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PubMed2002

Acoustic analyses of developmental changes and emotional expression in the preverbal vocalizations of infants.

The nonverbal vocal utterances of seven normally hearing infants were studied within their first year of life with respect to age- and emotion-related changes. Supported by a multiparametric acoustic analysis it was possible to distinguish one inspiratory and eleven expiratory call types. Most of the call types appeared within the first two months; some emerged in the majority of infants not until the 5th ("laugh") or 7th month ("babble"). Age-related changes in acoustic structure were found in only 4 call types ("discomfort cry," "short discomfort cry," "wail," "moan"). The acoustic changes were characterized mainly by an increase in harmonic-to-noise ratio and homogeneity of the call, a decrease in frequency range and a downward shift of acoustic energy from higher to lower frequencies. Emotion-related differences were found in the acoustic structure of single call types as well as in the frequency of occurrence of different call types. A change from positive to negative emotional state was accompanied by an increase in call duration, frequency range, and peak frequency (frequency with the highest amplitude within the power spectrum). Negative emotions, in addition, were characterized by a significantly higher rate of "crying," "hic" and "ingressive vocalizations" than positive emotions, while positive emotions showed a significantly higher rate of "babble," "laugh," and "raspberry."

Affect↗
PubMed1985

Deafness and perception of nonverbal expression of emotion.

Compensatory sensitivity is said to follow loss of a primary communicative channel. In previous studies in which how accurately deaf and hearing people perceive emotional expression was compared, caricatures or nonverbal behavior of hearing people were stimuli. These studies did not specifically address the possibility that deaf people show nonverbal behavior which might be related to their sign language. To assess this possibility two methodological innovations were made. Stimuli were displayed of nonverbal messages with various emotional contents presented by deaf people in sign language. Also, no verbal labels identified emotional content of the messages. Sixty hearing and 45 deaf male college students watched films of emotional expressions in sign language. The participants tried to identify the emotional content of each film by matching content to one of six photographs of facial expressions. Responses were analyzed for accuracy in perceiving the emotional content. Hearing participants were more accurate in perceiving the display of Happiness. Display of Disgust was perceived better by the deaf participants. No support was found for compensatory sensitivity among the deaf participants.

Deafness↗
PubMed1990

Approach-withdrawal and cerebral asymmetry: emotional expression and brain physiology. I.

In this experiment, we combined the measurement of observable facial behavior with simultaneous measures of brain electrical activity to assess patterns of hemispheric activation in different regions during the experience of happiness and disgust. Disgust was found to be associated with right-sided activation in the frontal and anterior temporal regions compared with the happy condition. Happiness was accompanied by left-sided activation in the anterior temporal region compared with disgust. No differences in asymmetry were found between emotions in the central and parietal regions. When data aggregated across positive films were compared to aggregate negative film data, no reliable differences in brain activity were found. These findings illustrate the utility of using facial behavior to verify the presence of emotion, are consistent with the notion of emotion-specific physiological patterning, and underscore the importance of anterior cerebral asymmetries for emotions associated with approach and withdrawal.

Adolescent↗
PubMed1994

Columnar organization in the midbrain periaqueductal gray: modules for emotional expression?

Independent discoveries in several laboratories suggest that the midbrain periaqueductal gray (PAG), the cell-dense region surrounding the midbrain aqueduct, contains a previously unsuspected degree of anatomical and functional organization. This organization takes the form of longitudinal columns of afferent inputs, output neurons and intrinsic interneurons. Recent evidence suggests: that the important functions that are classically associated with the PAG--defensive reactions, analgesia and autonomic regulation--are integrated by overlapping longitudinal columns of neurons; and that different classes of threatening or nociceptive stimuli trigger distinct co-ordinated patterns of skeletal, autonomic and antinociceptive adjustments by selectively targeting specific PAG columnar circuits. These findings call for a fundamental revision in our concept of the organization of the PAG, and a recognition of the special roles played by different longitudinal PAG columns in co-ordinating distinct strategies for coping with different types of stress, threat and pain.

Animals↗
PubMedDate not supplied

[Emotional expressiveness and development of schizophrenia: a reply to the work of Vaughn].

The influence of family climate in the course of schizophrenia has been empirically established. However research has been so far limited to the Anglo-American culture and there are reasons to think that straight forward extrapolation to own our culture may not be totally justified. Consecqently a replication of Vaughn's (Vaughn et al, 1984) has been carried out with a sample of 60 schizophrenic patients in Valencia. Relapse rate was not predicted by EE status or by any EE scale-score according to British original criteria. As the cut-off point was changed from six or more critical remarks to four or more, then the relapse rate was significantly different between high and low EE groups. The study confirms the link between EE-status and relapse rates over nine months but is also underlines the need to take into account cultural differences when it comes to establish cut-off scores.

Adolescent↗
PubMed1990

Social functioning in schizophrenic patients. I. The effects of expressed emotion and family intervention.

The relationship between the social functioning of schizophrenic patients and the EE levels of their relatives is examined. Patients living with a high EE relative function significantly worse than those living with low EE relatives. This appeared to be due to a poorer social functioning in patients who lived with hostile relatives. Patients who participated in a nine month behavioural family intervention showed greater improvements in social functioning than control groups. The improvements could not be explained as being due to medication since high neuroleptic dosage over nine months was associated with poorer social functioning.

Adult↗
PubMed1992

Staff-patient relationships in the care of the long-term adult mentally ill. A content analysis of Expressed Emotion interviews.

Analysis of the content of 61 interviews with keyworkers supporting chronically disabled patients in long-term care settings revealed a range of EE ratings and associated characteristics. Low-EE interviews were prevalent (n = 46), a finding not unlikely given the experience and training of the staff group sampled. High-EE (n = 15) relationships were characterised by less tolerance, inappropriate expectations of patient progress and frustration in the key worker. Criticism in both high- and low-EE interviews was most frequently focused on socially embarrassing or difficult behaviour and, to a slightly lesser extent, the clinical poverty syndrome. It was rarely directed at positive symptomatology. High levels of criticism were significantly related to regarding the patient's difficulties as within their control and having negative rather than positive expectations of their ability to manage on their own. The factors identified by the EE interview that influence the nature of the staff-patient relationship are discussed, and the clinical implications of the findings briefly considered.

Adult↗
PubMed2005

Who benefits from disclosure? Exploration of attachment style differences in the effects of expressing emotions.

Pennebaker's disclosure paradigm is a powerful manipulation: writing or talking about emotional experiences has positive effects on health. Nevertheless, the effect does not work for all people and some studies, including those of the highly emotional event of bereavement, have failed to demonstrate any effect at all. This paper reviews empirical evidence and proposes an integrative model to help explain discrepant findings and assess individual differences in the manipulation's effectiveness. Taking bereavement as exemplary of an attachment-related loss experience, it examines the relationship between styles of attachment, internal representations of the self and other, and patterns of disclosure in the coping process. Research has shown disturbances in disclosure among insecurely attached persons. We argue that secure persons are less likely to benefit from the disclosure paradigm, since they are better able to disclose in ways that further the adjustment process in their everyday lives. Targeting persons with insecure attachment styles and providing attachment-style-specific disclosure instructions are likely to increase the power of the manipulation. Our examination of these individual difference patterns is compatible with recent cognitive and linguistic analyses underlying the disclosure paradigm's impact on health.

Adaptation, Psychological↗