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PubMed2006

An assessment of parental satisfaction with mode of delivery of specialist advice for paediatric cardiology: face-to-face versus videoconference.

Comparisons of parental satisfaction were made after specialist paediatric cardiology consultations were conducted either by conventional face-to-face delivery or telemedicine. Satisfaction statements were rated by 100 parents: 20 who experienced telemedicine; 56 with new children seen in the outreach clinics; 24 with children on review whose next appointment was at the specialist centre. There was general satisfaction with both types of consultations, but significant differences were noted. Those who had videoconferences felt that they had received an explanation about how the specialist advice would be obtained, and that they could see the pictures being discussed clearly. Those who had experienced telemedicine believed that teleconsultations could save them travelling time and money and they found the technical aspects of sound and picture quality acceptable. They were not discomforted by the technology and felt reassured by the consultation with the specialist. However, there was some ambivalence towards the statements suggesting that teleconsultations could take the place of conventional face-to-face consultations.

Cardiology↗
PubMed2006

A therapeutic alliance can exist without face-to-face contact.

We examined the therapeutic alliance in 64 parents who completed treatment with a non-professional telephone coach in a paediatric psychosocial and behavioural intervention study called Family Help. The mean total Working Alliance Inventory score was 242.7 (95% confidence interval [CI]: 240.2, 245.2). Overall, the total scores were very high regardless of coach/parental age or gender, socioeconomic class/educational level of the parent, severity or type of the child's mental health disorder or modality of treatment delivery. The results were compared with normative data reported from other studies, which suggested that the distance therapeutic alliance scores were at least similar to face-to-face therapeutic alliance scores. The present study provides evidence that a strong, positive therapeutic alliance can exist in the absence of face-to-face contact using non-professional telephone coaches.

Adult↗
PubMed2006

Smiling faces rated more feminine than serious faces in Japan.

It has been reported that women and girls smile more frequently and more effectively than men and boys. It is expected that this correlation between femaleness and smiling affects the processing of faces, and consequently, smiling faces may be perceived to be more feminine. Participants viewed 30 photographs featuring smiling and serious facial expressions of both male and female subjects and rated them for femininity or masculinity. The result indicated that smiling faces significantly more frequently gave the impression of being more feminine. The interaction between the sex of the faces and their expression was not significant.

Adolescent↗
PubMed2006

Distance education vs face-to-face classes: individual differences, course preferences and enrollment.

To understand better students' preferences for enrollment in distance education over face-to-face courses, the individual difference variables of sex, age category, class level, work status, number of distance education courses taken, frequency of computing technology usage, comfort with course management software, and comfort with computing technology were examined. Analysis indicated that older students, women, and those who work full time were more likely to enroll in distance education courses. Those who had taken the most distance education courses in the past and women were more likely to express a stated preference for distance education over face-to-face classes.

Adult↗
PubMed1995

Speechreading instruction for hard-of-hearing adults. Effects of training face-to-face and with a video programme.

The effects of speechreading instruction were studied using a structurally planned training programme in two types of situations: in a face-to-face situation and by using videotapes viewed at home. Instruction was given only visually. Three speechreading tests were selected to monitor the efficacy of training: CID sentences. Helen questions and the tracking method. Two of the tests (CID and Helen) showed significant improvement in all three groups training speechreading. The tracking method, however, did not prove to be a reliable method for assessing the performance of a large group of subjects. The performances of the face-to-face groups and the video group did not differ significantly. The present study showed that training speechreading is advantageous and confirmed the effectiveness of tutored self-instruction at home.

Correction of Hearing Impairment↗
PubMed2004

Teaching pharmacology to graduate nursing students: evaluation and comparison of Web-based and face-to-face methods.

As nursing schools develop Web-based courses to increase access to programs, evaluation of all aspects of these courses, from student learning to effectiveness of the course and instructor, becomes important. This article describes the evaluation of a 3-credit, semester-based, online graduate pharmacology course, and compares these student outcomes with those in the face-to-face course taught simultaneously. Eighteen students chose to participate in the Web-based course, and 52 chose to participate in the face-to-face course. The same instructor taught both courses, and the same examinations were administered. Students in the two courses were not different in age or in number of years of nursing practice prior to taking the course. There was no association between the course chosen and the type of basic nursing preparation or if the student had taken a pharmacology course in their basic nursing program. There were no significant differences between the mean examination scores of students enrolled in the two courses. Overall, students in the online course were positive about their experience. Student comments highlight the need to be aware of effectiveness of communication among faculty and students, the clarity of instructions, and the amount of information provided on course Web sites.

Adult↗
PubMed2004

Impact of a face-to-face educational intervention on improving the management of acute respiratory infections in private pharmacies and drug shops in Uganda.

BACKGROUND: In Uganda, although private retail pharmacies and drug shops are the most common sources of drugs for the majority of the population, the quality of care received from these outlets has been reported as suboptimal. It is believed that lack of adequate knowledge is an important underlying factor to such practices. OBJECTIVES: In this study, we investigated the impact of a face-to-face educational intervention on counter attendants' dispensing behaviour for mild and severe acute respiratory infections (ARI) in children at private pharmacies and drug shops. STUDY DESIGN AND SETTING: We used a quasi-experimental research design with comparison groups to analyse counter attendants' management of ARI before and after an intervention. The study was conducted in Kampala District, and used a sample of 191 registered drug outlets (27 pharmacies and 164 drug shops), stratified into two groups: 1) An experimental group that received training; 2) A control group unexposed to training. Data on the practices in the drug outlets from both groups were collected at two time-points: seven months before the intervention, and at one-month after the intervention. OUTCOME MEASURES: Two main outcome measures were considered: a) Assessment of the child's condition. b) The dispensing practices of counter attendants. RESULTS: The study found that despite the training, the assessment of the child's condition remained inadequate in both groups, where the child's age was the only question asked in more than 90% of cases. High levels of inappropriate dispensing practices for both mild and severe ARI were still persistent in both groups after the intervention. Antibiotic prescribing for both conditions was very common, and barely any advice or instruction was given with dispensed drugs. Client demand for particular drugs, competition among drug outlets, and inability of most clients to afford the recommended treatments were the main reported barriers that emerged from the focus group discussions with the counter attendants. CONCLUSIONS: The evaluation of the practices one month after the face-to-face educational intervention showed that the management of ARI did not improve in the drug outlets. While study design issues may have contributed to such findings, there are many other factors not related to knowledge and education that may indirectly hamper the promotion of appropriate dispensing in the private pharmacies and drug shops in Uganda. It is possible that a combination of interventions may contribute to improved management of ARI by counter attendants in the private drug shops and pharmacies in Uganda.

Acute Disease↗
PubMed2005

Laterality biases to chimeric faces in Asperger syndrome: what is 'right' about face-processing?

People show a left visual field (LVF) bias for faces, i.e., involving the right hemisphere of the brain. Lesion and neuroimaging studies confirm the importance of the right-hemisphere and suggest separable neural pathways for processing facial identity vs. emotions. We investigated the hemispheric processing of faces in adults with and without Asperger syndrome (AS) using facial emotion and identity chimeric tasks. Controls showed an LVF bias in both tasks, but no perceptual bias in a non-social control task. The AS group showed an LVF bias during both tasks, however the bias was reduced in the identity condition. Further, the AS group showed an LVF bias in the non-social condition. These results show a differential pattern of hemispheric processing of faces in AS.

Adult↗
PubMed2004

No about face on houses in the fusiform face area!

Yovel and Kanwisher (this issue of Neuron) altered upright and inverted face and house characteristics during a same-different task. The right fusiform face area (FFA) was more active to faces than houses but, unlike behavior, was unaffected by spatial configuration or parts manipulations. These data raise interesting questions regarding the relationship of brain activation to observed behavior.

Brain↗
PubMed1987

Race categorization and face recognition stages in the processing of laterally displayed unknown faces.

Bruyer and Dussart (1985) have recently shown that the "race effect", i.e. the difficulty in recognizing faces issuing from an ethnic group different from that of the subject, is limited to the right visual field. They suspected familiarization to be responsible for this asymmetry. In Exp. I, we tested this hypothesis by repeating the experiment of Bruyer and Dussart with a greater number of trials. A sample of 16 subjects were given the task of recognizing black and white faces laterally displayed for 180 msec. No laterality effect appeared, and the race effect was observed to an equal degree in each hemifield at all stages of the experimental session. It could thus be that various kinds of familiarization must be distinguished. In Exp. II, with 16 new subjects, the black and white faces were mixed so that the subjects had first to perform racial categorization, then a recognition. This time, an advantage of the left field appeared, the race effect was larger in the right than in the left field, and the race effect decreased with familiarization in the left field only. Two complementary experiments with 24 and 16 subjects showed that this phenomenon was not explainable by laterality effects in the early racial decision operation, but well by a lateralized effect of tasks requirements.

Adult↗
PubMed2006

Beyond the face: exploring rapid influences of context on face processing.

Humans optimize behavior by deriving context-based expectations. Contextual data that are important for survival are extracted rapidly, using coarse information, adaptive decision strategies, and dedicated neural infrastructure. In the field of object perception, the influence of a surrounding context has been a major research theme, and it has generated a large literature. That visual context, as typically provided by natural scenes, facilitates object recognition as has been convincingly demonstrated (Bar, M. (2004) Nat. Rev. Neurosci., 5: 617-629). Just like objects, faces are generally encountered as part of a natural scene. Thus far, the facial expression literature has neglected such context and treats facial expressions as if they stand on their own. This constitutes a major gap in our knowledge. Facial expressions tend to appear in a context of head and body orientations, body movements, posture changes, and other object-related actions with a similar or at least a closely related meaning. For instance, one would expect a frightened face when confronted to an external danger to be at least accompanied by withdrawal movements of head and shoulders. Furthermore, some cues provided by the environment or the context in which a facial expression appears may have a direct relation with the emotion displayed by the face. The brain may even fill in the natural scene context typically associated with the facial expression. Recognition of the facial expression may also profit from processing the vocal emotion as well as the emotional body language that normally accompany it. Here we review the emerging evidence on how the immediate visual and auditory contexts influence the recognition of facial expressions.

Electroencephalography↗
PubMed2001

Direction of gaze effects on early face processing: eyes-only versus full faces.

The N170 event-related potential (ERP) reflects an early stage of face processing. We wished to determine if it would also index the intuitively important information provided by direction of gaze. Two studies were run. In one, stimuli included full faces with the eyes looking forward, to the left or closed; in the other study the stimuli included eyes-only, looking forward, left or closed. Gaze direction had no effects on amplitude, but longer latencies were found for faces with eyes closed. With eyes-only stimuli, more marked effects on latencies and borderline effects on amplitudes were seen. We suggest that there can only be limited evidence of gaze-specific sensitivity in ERP studies in humans, without eye movement.

Adult↗
PubMed2001

Best face forward: similarity effects in repetition priming of face recognition.

Two experiments examined the graded similarity effect in the repetition priming of familiar face recognition. From the model of repetition priming proposed by Burton, Bruce, and Johnston (1990) it was predicted that similarity effects may be a confound of stimulus preparation. Experiment 1 was used to discount this hypothesis, but failed to replicate a pattern of graded priming related to the similarity of prime and target faces. Experiment 2 attempted a more extensive investigation using two different measures of prime-target similarity. The results replicated Ellis, Young, Flude, and Hay's (1987) finding that similar primes confer more priming than dissimilar ones, but found no correlation between amount of priming and the degree of prime-target resemblance for either similarity metric used. In view of these findings the mechanism of repetition priming in familiar face recognition is discussed.

Analysis of Variance↗
PubMed2006

Face description with local binary patterns: application to face recognition.

This paper presents a novel and efficient facial image representation based on local binary pattern (LBP) texture features. The face image is divided into several regions from which the LBP feature distributions are extracted and concatenated into an enhanced feature vector to be used as a face descriptor. The performance of the proposed method is assessed in the face recognition problem under different challenges. Other applications and several extensions are also discussed.

Algorithms↗
PubMed2003

Dissecting contributions of prefrontal cortex and fusiform face area to face working memory.

Interactions between prefrontal cortex (PFC) and stimulus-specific visual cortical association areas are hypothesized to mediate visual working memory in behaving monkeys. To clarify the roles for homologous regions in humans, event-related fMRI was used to assess neural activity in PFC and fusiform face area (FFA) of subjects performing a delay-recognition task for faces. In both PFC and FFA, activity increased parametrically with memory load during encoding and maintenance of face stimuli, despite quantitative differences in the magnitude of activation. Moreover, timing differences in PFC and FFA activation during memory encoding and retrieval implied a context dependence in the flow of neural information. These results support existing neurophysiological models of visual working memory developed in the nonhuman primate.

Adult↗
PubMed1985

Reaction of the glucose carrier of erythrocytes with sodium tetrathionate: evidence for inward-facing and outward-facing carrier conformations.

Sodium tetrathionate reacts with the glucose carrier of human erythrocytes at a rate which is greatly altered in the presence of competitive inhibitors of glucose transport. Inhibitors bound to the carrier on the outer surface of the membrane, either at the substrate site (maltose) or at the external inhibition site (phloretin and phlorizin), more than double the reaction rate. Inhibitors bound at the internal inhibition site (cytochalasin B and androstenedione), protect the system against tetrathionate. After treatment with tetrathionate, the maximum transport rate falls to less than one-third, and the properties of the binding sites are modified in unexpected ways. The affinity of externally bound inhibitors rises: phloretin is bound up to seven times more strongly and phlorizin and maltose twice as strongly. The affinity of cytochalasin B, bound at the internal inhibition site, falls to half while that of androstenedione is little changed. The affinity of external glucose falls slightly. Androstenedione prevents both the fall in transport activity and the increase in phloretin affinity produced by tetrathionate. An inhibitor of anion transport has no effect on the reaction. The observations support the following conclusions: Tetrathionate produces its effects on the glucose transport system by reacting with the carrier on the outer surface of the membrane. The carrier assumes distinct inward-facing and outward-facing conformations, and tetrathionate reacts with only the outward-facing form. The thiol group with which tetrathionate is presumed to react is not present in either the substrate site or the internal or external inhibitor site.(ABSTRACT TRUNCATED AT 250 WORDS)

4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfo↗
PubMed2000

[Therapeutic concept in combined orthodontic-surgical treatment of class II malocclusion with short face syndrome. New aspects for surgical lengthening of the lower face].

The main aesthetic concern of patients with Angle class II deformities with skeletal deep bite--short face syndrome--is the short lower face. It is the orthodontist's task to correct this deformity insofar as possible. Depending on the extent, even orthodontists at the beginning of their training will recognize this. Since presurgical orthodontic treatment determines the kind and extent of the surgical procedure, the orthodontist has to plan the treatment in for individual case. It is the purpose of this article to demonstrate a concept of treatment for patients with class II deformities, skeletal deep bite, and a short lower face. Presurgical orthodontic treatment and the surgical procedure to correct the deformity are discussed. The treatment results show that it is necessary to leave or to create a certain curve of Speed, depending on the extent of the deformity, to achieve a satisfactory result in terms of to function, aesthetics, and stability. It can be concluded that it is only possible to reach the preset treatment goals with an exact diagnosis and the knowledge of the necessary preparation in combination with the surgical procedure.

Adult↗
PubMed2005

Developmental changes in the relationship between the infant's attention and emotion during early face-to-face communication: the 2-month transition.

Weekly observations documented developmental changes in mother-infant face-to-face communication between birth and 3 months. Developmental trajectories for each dyad of the duration of infant facial expressions showed a change from the dominance of Simple Attention (without other emotion expressions) to active and emotionally positive forms of attention to the mother toward the end of the 2nd month. The results support an overlapping waves model, rather than a stage model, of developmental change. Sequential analysis found developmental changes from cycling between Gaze Elsewhere and Simple Attention to the Mother's Face in the early weeks to a complex sequence of transitions between Concentrated Attention, Smile, and Cooing Expression nested into sequences of positive communication during the 2nd and 3rd months.

Adult↗