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Results for “Manual Communication”

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At least 91 records · Page 5Linked to original sources
PubMed1987

Limits of visual communication: the effect of signal-to-noise ratio on the intelligibility of American Sign Language.

To determine the limits of human observers' ability to identify visually presented American Sign Language (ASL), the contrast s and the amount of additive noise n in dynamic ASL images were varied independently. Contrast was tested over a 4:1 range; the rms signal-to-noise ratios (s/n) investigated were s/n = 1/4, 1/2, 1, and infinity (which is used to designate the original, uncontaminated images). Fourteen deaf subjects were tested with an intelligibility test composed of 85 isolated ASL signs, each 2-3 sec in length. For these ASL signs (64 x 96 pixels, 30 frames/sec), subjects' performance asymptotes between s/n = 0.5 and 1.0; further increases in s/n do not improve intelligibility. Intelligibility was found to depend only on s/n and not on contrast. A formulation in terms of logistic functions was proposed to derive intelligibility of ASL signs from s/n, sign familiarity, and sign difficulty. Familiarity (ignorance) is represented by additive signal-correlated noise; it represents the likelihood of a subject's knowing a particular ASL sign, and it adds to s/n. Difficulty is represented by a multiplicative difficulty coefficient; it represents the perceptual vulnerability of an ASL sign to noise and it adds to log(s/n).

Adult↗
PubMed1985

Teaching apes to ape language: explaining the imitative and nonimitative signing of a chimpanzee (Pan troglodytes).

Fifteen videotaped conversations of a chimpanzee signing with his trainers were examined in order to determine (a) whether the ape was using imitation to learn about new language forms as some human children do and (b) whether the ape's nonimitative utterances implied knowledge of linguistic structures. The answers to both questions were negative. The evidence suggests that the utterances lacked the semantic and syntactic organization found in the utterances of most children. Instead of learning to use signs as symbols for communicating propositional messages, the ape learned to use gestures as nonsymbolic instrumental responses under the stimulus control of objects in the signing context and verbal and nonverbal cues from the trainers. Other research now underway with chimpanzees may eventually reveal whether this performance is characteristic of chimpanzees in general or is the result of particular training strategies used to teach language to chimpanzees.

Animals↗
PubMed1999

An analysis of nurses' communications in a shelter setting.

The purpose of this study was to analyze written communications among nurses providing care to battered women and their children in a community shelter setting over a 1-year period of time. Interviews were conducted with the nurses to study the perceived effectiveness of the manual used to update daily shelter health operations, clients of concern, follow-up recommendations, or other ongoing issues. The unit of analysis was each entry recorded in the manual. The Communications Process Model guided the study (Budd, Thorp, & Donohew, 1967). Communications were transcribed and analyzed for categories of meaning from the data utilizing the Ethnograph software (Seidel & Clark, 1983). When content analysis was applied, 10 distinct categories emerged: (a) injury assessment, (b) acute condition assessment, (c) chronic condition assessment, (d) pregnancy assessment, (e) emergency assessment, (f) nursing care and procedures, (g) teaching and counseling, (h) community referrals and resources, (i) housekeeping, and (j) health program issues. From the categories, 3 primary themes were identified: nursing assessments, nursing interventions, and health program operations. The nurses were positive about using the manual for various communications. Nurses who consider working in shelter settings may find descriptions of the realities of practice and application of a working tool for communications useful. Shelter administrators and board members need to recognize the importance of having nurses on staff to address inevitable injuries and health concerns of battered women and their children. Researchers are encouraged to develop models that relate to care of clients and caregivers in this challenging practice setting.

Battered Women↗
PubMedDate not supplied

Intelligibility of speech produced during simultaneous communication.

UNLABELLED: This study investigated the overall intelligibility of speech produced during simultaneous communication (SC). Four hearing, experienced sign language users were recorded under SC and speech alone (SA) conditions speaking Boothroyd's (1985) forced-choice phonetic contrast material designed for measurement of speech intelligibility. Twelve hearing-impaired listeners participated, with three of them randomly assigned to audit the speech sample provided by each one of the four speakers under the SC and SA conditions. Although results indicated longer sentence durations for SC than SA, results showed no difference in the overall intelligibility of speech produced during SC versus speech produced during SA, nor any difference in pattern of phonetic contrast recognition errors during SC. This conclusion is consistent with previous research indicating that temporal alterations produced by SC do not produce degradation of temporal or spectral cues in speech or disruption of the perception of specific English phoneme segments. LEARNING OUTCOMES: As a result of this activity, the participant will be able to (1) describe simultaneous communication; (2) explain the role of simultaneous communication in communication with children who are deaf; (3) discuss methods of measuring speech intelligibility; and (4) specify the ability of listeners to perceive speech produced during simultaneous communication.

Communication↗
PubMed1984

Family therapy with deaf persons: the systemic utilization of an interpreter.

This paper discusses the theory and practice of providing family therapy to families in which there are hearing parents and at least one Deaf child, particularly regarding the optimal utilization of an interpreter. The therapist must be knowledgeable about the psychosocial effects of deafness, the cultural aspects of deafness, and preferably be able to use American Sign Language and Signed English. The therapeutic benefit of utilizing an interpreter extends far beyond simply facilitating communication between each family member whose primary-language is either spoken English or Sign Language. The presence of an interpreter helps the therapist to modify family rules that deny the implications of deafness and prohibit the use of Sign Language, to modify the balance of power in the family, and to encourage participants to exhibit the ego defense mechanisms of projection and transference. The family therapist can utilize those subtle yet profound influences to therapeutic advantage.

Adaptation, Psychological↗
PubMed1978

Sign codes and sign language: two orders of communication.

Deaf children, like all children, are born with a capacity for language; i.e. the symbolization and expression of cognitive functioning. Until the age at which hearing children are talking, deaf children communicate well with others, using their sight, touch, and other actions--the common gestures in the culture of their caretakers. The chief problem in communication arises when hearers reject the deaf child's gestural symbolization of his developing language knowledge. The problem is aggravated by insistence that the child use speech as do those who hear. Linguistic, cognitive, emotional, and behavioral problems may then follow, because of the attitude and actions of the hearing. All these problems can be resolved by early recognizing that the deaf person has a language and by honestly trying to learn and use it. This language is not a set of signs standing for spoken words but a complete language with its own rules for making sense in signed sentences.

Child↗