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PubMed2003

Neural correlates of naming animals from their characteristic sounds.

The neural correlates of naming stimuli presented through the auditory modality have scarcely been studied. Using a PET experiment in 10 normal subjects, we began to address this issue by testing the hypothesis that naming animals from their characteristic sounds will engage bilateral primary auditory and auditory association cortices, bilateral early visual association cortices, left inferotemporal (IT) cortices, and left frontal operculum. Subjects listened to characteristic animal sounds (e.g. a rooster crowing), and named the animals making the sounds. When contrasted with a baseline task that involved saying up/down to the direction of pitch change in tone sequences, the naming task produced activation in mesial occipital cortices, the left ventral IT region, and the left frontal operculum. We interpret the activation in visual association cortices to reflect the process of retrieving conceptual knowledge (e.g. physical structure) pertinent to the animals being named, as in visual images. The left IT activation is interpreted to reflect activation of a mediation system for word retrieval, that operates to link conceptual knowledge retrieval to word production, and whose triggering is independent of the sensory modality in which a stimulus is presented.

Acoustic Stimulation↗

PubMed2003

Matching faces for semantic information and names: an event-related brain potentials study.

In face identification, it has been controversial whether or not access to biographical information and to a person's name are mediated by qualitatively different loci. We recorded ERPs while participants saw two successive faces and performed a matching task that either required retrieval of semantic information ("same or different profession?"), or retrieval of the person's name ("same or different number of forename syllables?"). For both tasks, slow ERP activity between the first and the second face was characterized by a prominent right posterior negativity, with the asymmetry being larger for the name than the semantic matching task. ERPs to the second face showed a difference between congruent (matching) and incongruent (mismatching) trials, with more negative ERPs for incongruent trials. In the semantic matching task, these differences were significant between 450 and 550 ms, and resembled an N400, with a maximum negativity over the vertex. In the name matching task, the topography of this congruency effect was qualitatively different from that seen in semantic matching. These findings suggest that different brain substrates mediate the access to semantic and name information.

Adolescent↗

PubMed2006

Combining treatment for written and spoken naming.

Individuals with left-hemisphere damage often have concomitant impairment of spoken and written language. Whereas some treatment studies have shown that reading paired with spoken naming can benefit both language modalities, little systematic research has been directed toward the treatment of spelling combined with spoken naming. The purpose of this study was to examine the therapeutic effect of pairing a lexical spelling treatment referred to as Copy and Recall Treatment (CART) with verbal repetition of target words. This approach (CART + Repetition) was compared with treatment using verbal repetition without the inclusion of orthographic training (Repetition Only). Two individuals with moderate aphasia and severe impairment of spelling participated in the study using a multiple baseline design across stimulus sets and treatment conditions. Both participants improved spelling of targeted words as well as spoken naming of those items, but improvement in spoken naming was marked for one individual in the CART + Repetition condition, while the other participant made smaller gains in spoken than written naming irrespective of treatment condition. Consideration of the participant profiles suggested that CART + Repetition provides greater benefit when there is some residual phonological ability and the treatment serves to stimulate links between orthography and phonology.

Aged↗

PubMed2005

The cocktail party effect in infants revisited: listening to one's name in noise.

This study examined infants' abilities to separate speech from different talkers and to recognize a familiar word (the infant's own name) in the context of noise. In 4 experiments, infants heard repetitions of either their names or unfamiliar names in the presence of background babble. Five-month-old infants listened longer to their names when the target voice was 10 dB, but not 5 dB, more intense than the background. Nine-month-olds likewise failed to identify their names at a 5-dB signal-to-noise ratio, but 13-month-olds succeeded. Thus, by 5 months, infants possess some capacity to selectively attend to an interesting voice in the context of competing distractor voices. However, this ability is quite limited and develops further when infants near 1 year of age.

Female↗

PubMed1989

Evidence from aphasia for the role of proper names as pure referring expressions.

Here we describe a patient who, as a result of brain damage, had a dramatic inability to retrieve proper names, and who thus offered the opportunity of observing the distinction made in the brain between proper and common names. Although category specific aphasic disturbances are relatively common, this patient's anomia for proper names is very rare: only two other cases have been described so far. The opposite phenomenon, a selective sparing of proper names, has also been recently observed. It is widely assumed that double dissociations such as this reflect the premorbid organization of the cognitive system: the categories of proper and common nouns, therefore, would be separately represented or, at least, separately accessed in the intact brain. The only other such deficits, including the inability to learn arbitrary links between words and to guess the titles of pieces of music, are believed to be indicative of a problem in dealing with purely referential relations. This, in turn, would indirectly confirm the role of proper names as pure referring expressions.

Adult↗

PubMed1993

First names and perceptions of physical attractiveness.

I examined the impact of first names on ratings of physical attractiveness as judged by British undergraduate subjects using male and female full-face pictures presented on photographic slides. The photographs were identified with attractive names, unattractive names, or without any name indicated. Subjects rated the stimulus figures for physical attractiveness. Names accounted for approximately 6% of the variance in subjects' ratings of physical attractiveness. This effect was highly significant for pictures of women (p < .001), but nonsignificant for pictures of men (p > .05).

Adult↗

PubMed1993

Production of proper names: a clinical case study of the effects of phonemic cueing.

The production of proper names is a task that in everyday life is particularly prone to temporary failures, especially in elderly subjects. The reason for this is still rather obscure but indications in recent literature suggest an independent status for proper names in comparison with common ones, which may entail differences in processing or in processing demands. The main sources of empirical evidence come, on the one hand, from studies of face and person identity recognition and, on the other, from neuropsychological observations. All the findings appear to concur in supporting theoretical distinctions that have been made for a long time in the field of philosophy of language. These distinctions have directed the endeavours of experimental research. The present study describes, for the first time, a neuropsychological patient who shows, in certain conditions, a sparing of proper names despite an otherwise deeply troubled linguistic production. This finding may appear to be counterintuitive, considering the fact that proper names are viewed, in general, as more difficult to produce than common ones. However, in consideration also of other emerging neuropsychological and experimental findings, it is proposed that possible differences in lexical access for the two categories of common and proper names may explain the phenomenon and still be consistent with mainstream philosophical theories.

Aged↗

PubMed2006

Specific effects of aging on proper name retrieval: now you see them, now you don't.

Existing research is equivocal as to whether aging negatively affects the retrieval of proper names more than other types of words. To clarify previous results, this study had young and older participants name and provide specific biographical information in response to pictures of familiar celebrities; it used two different measures of recall errors. An analysis of tip-of-the-tongue (TOT) responses indicated specific age-related increases in TOTs for names compared with words representing biographical information. An analysis including all other (non-TOT) recall errors did not indicate age-related deficits in name retrieval. These findings highlight the importance of the measures adopted in forming conclusions about age effects on the retrieval of names.

Adolescent↗

PubMed1999

An assessment of the Nam Pehchan computer program for the identification of names of south Asian ethnic origin.

BACKGROUND: An assessment was made of the usefulness and accuracy of a computer program for the identification of the south Asian population through the classification of names on a disease register. METHODS: The computer program, Nam Pehchan, was used to classify names as either south Asian or non south Asian. The results were compared with a reference standard, which combined use of the program with visual inspection. The latter was facilitated by a computer-generated dictionary of common non south Asian names. The data set consisted of 356,555 cases of incident cancer (ICD9: 140-208) registered between 1990 and 1992 by Thames, Trent, West Midlands and Yorkshire cancer registries. RESULTS: Nam Pehchan classified 5506 cases as south Asian. Visual inspection identified 2024 false positives (36.8 per cent of all cases identified as south Asian by Nam Pehchan) and 363 false negatives (9.5 per cent of those identified by the reference standard). Compared with the reference standard, Nam Pehchan had a sensitivity of 90.5 per cent and a positive predictive value of 63.2 per cent. CONCLUSION: The Nam Pehchan program quickly identified a high proportion of the names classified as south Asian by the reference standard, but the high false positive rate means that the program alone is not an adequate single strategy. The time-consuming process of inspection of program negatives for large data sets can be substantially reduced by comparison with dictionaries of common non south Asian names.

Asia↗

PubMed2000

Picture naming without Broca's and Wernicke's area.

Lexical and semantic retrieval was investigated in normal volunteers with PET by comparing picture confrontation naming and verb generation related to the same pictures. Conjunction analysis of the naming and verb generation uncovered a common network including the occipito-temporal ventral pathway for object recognition, and the bilateral anterior insula, SMA and precentral gyrus for coordination, planning and overt word production. Naming and verb generation highlighted two different patterns: verb generation showed specific implication of Broca and Wernicke's areas, whereas naming specifically relied on the primary visual areas, the right fusiform and parahippocampal gyri and the left anterior temporal region. These results indicate that speech does not necessarily involve the Wernicke-Broca's language network and testify that naming relies on an early developmental language network.

Adult↗

PubMed2005

Managing patients with identical names in the same ward.

PURPOSE: To review the experience of managing two patients with identical names in the same ward during a five-month period. DESIGN/METHODOLOGY/APPROACH: The records of the patients were reviewed to look for incorrect entries, errors in specimens sampling, administration of blood products and chemotherapy, and misplacement of clinical notes. Doctors and nurses involved were also invited to complete a questionnaire study to comment on the usefulness of the measures implemented for correct patient identification. A random sample of 60 patients was also selected to see if their full names were shared with other patients attending the same hospital. FINDINGS: Among the 1442 sheets of hospital records from the two patients, no errors pertaining to the clinical activities were found. However, 13 (0.9 per cent) sheets of the hospital records were misplaced. The 21 doctors and nurses participating in the questionnaire study gave positive support to all the additional measures implemented for safeguarding patient identification, of which the automated alerting feature in the electronic clinical management system received the highest scores. A total of 32 (53 per cent) of the 60 sampled patients shared a common full name with one to 101 other patients attending the same hospital. ORIGINALITY/VALUE: Patients with identical names staying in the same ward present a unique challenge to acute health-care settings. The situation is especially relevant in communities where most people's names are not unique. Specific guidelines and measures are needed to prevent patient misidentification. Errors in filing of patient notes and laboratory reports to the hospital record deserve further attention.

Adolescent↗

PubMed2006

Children and adults recall the names of highly familiar faces faster than semantic information.

Adults find it harder to remember the names of familiar people than other biographical information such as occupation or nationality. It has been suggested that the opposite effect occurs in children (Scanlan & Johnston, 1997). We failed to replicate the effects found by Scanlan and Johnston and instead found that children were slower to match a name than an occupation to a famous face (Experiment 1). In Experiments 2 and 3, however, we show a temporal advantage for names in both adults and children when highly familiar faces are used. This is the case for famous and personally known faces. These results show that the speed of name retrieval is influenced by familiarity in the same way in both children and adults and indicate that children do not represent knowledge for familiar people differently from adults. The implications of these results for current models of name retrieval difficulties are discussed.

Adolescent↗

PubMed2002

Cognitive rehabilitation of naming deficits following viral meningo-encephalitis.

OBJECTIVE: This case study describes the neuropsychological assessment and cognitive rehabilitation of a patient who developed word retrieval deficits for objects and people's names, following an episode of viral meningo-encephalitits. It shows the implementation and outcome of two techniques adapted to the patient's individual characteristics and context providing a more ecologically valid approach. METHODS: In the first technique, "verbal semantic association", the patient was required to describe what she knew about an object as a strategy to help her retrieve its name. In the second one, "face-name association" she was taught to apply a visual-imagery technique in order to retrieve relevant people's names. RESULTS: Following the implementation of these procedures there was a decrease in the number of episodes of failure to retrieve objects and people's names in her everyday life context. CONCLUSION: The improvement found in the patient's ability to retrieve words is discussed in terms of the utility of cognitive rehabilitation programmes and cognitive models of language processing

Aged↗

PubMed2001

The availability heuristic with famous names: a replication.

In two experiments, 195 Canadian undergraduates initially judged a list of 25 names (12 famous men and 13 nonfamous women or 12 famous women and 13 nonfamous men) for familiarity. Contrary to previous research, subsequent estimates of the perceived number of men's and women's names were not higher when the names were famous than nonfamous. When the estimated differences were compared to the true difference (-1), famous names were judged more numerous than nonfamous names, but the size of the effect (d = 0.34) was smaller than in previous research. Reasons for these findings are discussed.

Famous Persons↗

PubMed2000

Face-name mediated learning and long-term retention: the role of images and imagery processes.

Subjects were presented with videotapes wherein 24 students introduced themselves for 20 s while the subjects were given image mediators as learning aids. After initial recall and before recall after 1 week (Experiment 1) or 3 weeks (Experiment 2), subjects rated whether they thought they did (session 1) or would (session 2) remember each name and rated the clarity of the mental images of the faces, with the names used as cues. The image clarity of faces was significantly related to long-term retention of names, the clarity of images decreased with time, and the process of making ratings and reconstructing mental images of faces and face-name connections greatly facilitated long-term retention of names. The results are discussed in the context of a multiphase processing model.

Eidetic Imagery↗

PubMed2001

The creation of an ontology of clinical document names.

The efficient use of documents from heterogeneous computer systems is hampered by differences in document-naming practices across organizations. Using an open-consensus method, the Document Ontology Task Force, with support from the Veterans Health Administration, addressed this pervasive problem by developing a clinical document ontology. Based on the analysis of over 2000 clinical document names, the ontology was used to formulate a terminology model which is currently being used to guide the creation of fully-specified document names in LOINC (Logical Observations, Identifiers, Names and Codes). Incorporation into LOINC will enable homogeneous management of documents in a widely distributed environment and will also give rise to a rich polyhierarchy of document names.

Documentation↗

PubMed2002

Brain-potential evidence for the time course of access to biographical facts and names of familiar persons.

On seeing familiar persons, biographical (semantic) information is typically retrieved faster and more accurately than name information. Serial stage models explain this pattern by suggesting that access to the name follows the retrieval of semantic information. In contrast, interactive activation and competition (IAC) models hold that both processes start together but name retrieval is slower because of structural peculiarities. With a 2-choice go/no-go procedure based on a semantic and a name-related classification, the authors tested differential predictions of the 2 alternative models for reaction times (RTs) and lateralized readiness potentials (LRP). Both LRP (Experiment 1) and RT (Experiment 2) results are in line with IAC models of face identification and naming.

Biographies as Topic↗

PubMed1992

[Recall of the proper names of persons: effect of age and the modality of access].

Aging is associated with phenomena of slowing down of cognitive processes and impairment of neuropsychological performances. Elderly people also report difficulty in the retrieval of proper names. Verbal fluency (VF) tests are particularly effective for the identification of even slight mental impairments. In this experiment we utilized the usual tests of VF for semantic categories and letters of the alphabet together with three new tests of VF for first names, differing in mode of access. The first mode was free recall, the second mode was semantic (first names beginning with a particular letter), and the third mode was autobiographical (first names of relatives). There were 3 experimental groups: young people with high education level, elderly people with high education level and elderly people with low education level. The aim of our work was to verify whether aging modifies the performance in the VF tests, particularly in the three first name VF tests. No difference was found between the groups of young and elderly people with high education level. The comparison between the two groups of elderly people, with high and low education level, showed that significant differences were present in some but not in all of the VF tests. While the two groups clearly differed in semantically oriented tests, no difference could be detected in the test oriented to episodic memory. This result seems to be inconsistent with the hypothesis that aging affects mainly episodic memory.

Adult↗