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PubMed1999

A normal' category-specific advantage for naming living things.

'Artefactual' accounts of category-specific disorders for living things have highlighted that compared to nonliving things, living things have lower name frequency, lower concept familiarity and greater visual complexity and greater within-category structural similarity or 'visual crowding' [7]. These hypotheses imply that deficits for living things are an exaggeration of some 'normal tendency'. Contrary to these notions, we found that normal subjects were consistently worse at naming nonliving than living things in a speeded presentation paradigm. Moreover, their naming was not predicted by concept familiarity, name frequency or visual complexity; however, a novel measure of visual familiarity (i.e. for the appearance of things) did significantly predict naming. We propose that under speeded conditions, normal subjects find nonliving things harder to name because their representations are less visually predictable than for living things (i.e. nonliving things show greater within-item structural variability). Finally, because nonliving things have multiple representations in the real world, this may lower the probability of finding impaired naming and recognition in this category.

Adult↗
PubMed2002

Performance and reaction times in monaural localization of first names in the horizontal plane.

Many studies have been conducted to measure monaural azimuthal sound localization performance with different sounds varying in frequency and complexity, but few have used linguistic stimuli. The present experimental design used subjects' first names in a monaural azimuthal localization task. Analysis of response accuracy showed that subjects are not more accurate in localizing their own first name than in localizing other first names and that there was no significant advantage of one ear over another. Reaction times were shorter when the subjects localized their own first name than when they localized any other first names and there was no significant ear advantage, but localizing other first names took more time with the right than with the left ear. All stimuli were better and more quickly localized on the side of the open ear, and there was no difference in acuity or velocity of localization with the two different speaker voices used. These results suggest that first names are processed through the controlateral auditory pathway and can be analyzed in the right hemisphere.

Adult↗
PubMed1993

Selective preservation of a lexical category in aphasia: dissociations in comprehension of body parts and geographical place names following focal brain lesion.

The selective dissociation of memory for proper names is discussed in the context of a review of dissociations involving broadly defined vs narrowly defined semantic categories in brain damaged adults. Two narrowly defined categories for which dissociations have been reported are body parts (selectively impaired in comprehension) and geographical place names (selectively preserved in comprehension). In this study, 167 aphasic patients were tested for their ability to correctly identify body parts and map locations from spoken names, relative to a baseline for correct responses on general word discrimination (object identification). Wernicke's aphasics and Global aphasics both had significantly more success in pointing to named map locations and significantly worse performance in pointing to named body parts than they had in selecting other objects from multiple choice. Anomic aphasics showed precisely the opposite pattern of results. Other aphasic subgroups (Broca's aphasics, Mixed Nonfluent aphasics, Conduction aphasics, Transcortical Motor and Transcortical Sensory aphasics, and Mixed Fluent aphasics) did not show significant deviations in either direction. We suggest that the selective preservation for place names may be related to their status as proper names.

Adult↗
PubMed1993

Proper names and how they are learned.

Proper names function in our conceptual lives as means for denoting individuals in kinds. Kinds are denoted by common names, more precisely count nouns, and so there are important interrelations between proper names and common nouns. All of this shows up in the way we interpret proper names and employ them in everyday inferences. For example, an airline may count three passengers in relation to a single person Jane, if Jane takes three trips with the airline. Each of the three passengers is Jane, but there is only one Jane. To handle such operations we propose a theory of proper names as part of the theory of kinds. This enables us to specify certain resources (some of them unlearned) that are necessary for the learning of proper names and also a theory of how they are learned. We review the experimental literature on the learning of proper names from the standpoint of the theory. We do not extend the theory to cover recognition or recall.

Cognition↗
PubMed1998

The effect of age of acquisition on speed and accuracy of naming famous faces.

Three experiments examined whether famous faces would be affected by the age at which knowledge of the face was first acquired (AoA). Using a multiple regression design, Experiment 1 showed that rated familiarity and AoA were significant predictors of the time required to name pictures of celebrities' faces and the accuracy of producing their names. Experiment 2 replicated an effect of AoA using a factorial design in which other attributes of the celebrities were matched. In both Experiments 1 and 2, several ratings had been collected from participants before naming latency data were collected. Experiment 3 investigated the accuracy and latency of naming celebrities without any prior exposure to the stimuli. An advantage for naming early acquired celebrities was observed even on the first presentation. The participants named the same celebrities in three subsequent presentations of the stimuli. The effect of AoA was not significant on the fourth presentation. The implications of these results for models of face naming and directions for future research are discussed.

Adolescent↗
PubMed2004

Knowledge of famous faces and names in semantic dementia.

Semantic dementia is a focal clinical syndrome, resulting from degeneration of the temporal lobes and characterized by progressive loss of conceptual knowledge about the world. Because of the highly circumscribed nature of the disorder it is a natural model for improving understanding of how semantic information is cerebrally represented. There is currently a lack of consensus. One view proposes the existence of modality specific meaning systems, in which visual and verbal information are stored separately. An opposing view assumes that information is represented by a unitary, amodal semantic system. The present study explores these alternatives in an examination of famous face and name knowledge in 15 patients with semantic dementia. The study of face recognition in patients with an established semantic disorder also permits an examination of the relationship between semantic dementia and the focal clinical syndrome of progressive prosopagnosia. The semantic dementia patients were profoundly impaired on both face and name identification and familiarity judgement tasks compared with amnesic patients with Alzheimer's disease and healthy controls. However, whereas the two reference groups performed better for names than faces, the semantic group showed the opposite pattern. This overall profile masked individual differences: semantic dementia patients with predominant left temporal lobe atrophy showed better recognition of names than faces, whereas patients with right temporal predominance showed the reverse pattern. Relative superiority for names or faces was mirrored by corresponding superiority for words or pictures on a standard semantic test. We interpret the findings as inconsistent with a unitary, amodal model of semantic memory. However, the data are not wholly compatible with a strict multiple system account. The data favour a model of semantic memory comprising a single interconnected network, with dedicated brain regions representing modality specific information. The data emphasize the importance of the anterior, inferolateral parts of the left temporal lobe for the representation of names and the corresponding parts of the right temporal lobe for faces. Dissociations between face and name knowledge provide a challenge for existing models of face processing. Moreover, they lead us to argue that the focal syndrome of progressive prosopagnosia is one of the clinical presentations of semantic dementia and not a separate clinical entity.

Aged↗
PubMed2001

Development and validation of a computerized South Asian Names and Group Recognition Algorithm (SANGRA) for use in British health-related studies.

BACKGROUND: Studies on ethnic variations in health have played an important role in aetiological and health services research. Most routine datasets, however, do not include information on ethnicity. South Asians, one of the largest minority ethnic groups in Britain, have distinctive names that also allow differentiation of the main sub-groups with their important differences in health-related exposures and disease risks. METHODS: A computerized name recognition algorithm (SANGRA) was developed incorporating directories of South Asian first names and surnames together with their religious and linguistic origin. SANGRA was validated using health-related data with self-ascribed information on ethnicity. RESULTS: SANGRA was successful in recognizing South Asian origin in reference datasets, with sensitivity of 89-96 per cent, specificity of 94-98 per cent, positive predictive value (PPV) of 80-89 per cent and negative predictive value (NPV) of 98-99 per cent. Religious origin was correctly assigned in the majority of cases: sensitivity, specificity and PPV were 94 per cent, 91 per cent and 90 per cent for Hindus; 90 per cent, 99 per cent and 98 per cent for Muslims; and 76 per cent, 99 per cent and 94 per cent for Sikhs. SANGRA correctly identified 76 per cent Gujerati and 70 per cent Punjabi names, although only 62 per cent of Gujerati names were sufficiently distinct to be allocated to the Gujerati-only category and only 53 per cent Punjabi names were allocated to the Punjabi-only category. However, specificity and PPV were high for both languages (respectively 97 per cent and 93 per cent for Gujerati, and 99 per cent and 97 per cent for Punjabi). CONCLUSIONS: SANGRA provides a practical and valid method of ascertaining South Asian origin by name and, to a lesser degree of accuracy, of differentiating between the main religious and linguistic subgroups living in Britain. This algorithm will be useful in health-related studies where information on self-ascribed ethnicity is not available or is of a limited nature.

Algorithms↗
PubMed2004

Spaced-retrieval effects on name-face recognition in older adults with probable Alzheimer's disease.

Six older adults with probable Alzheimer's disease (AD) were trained to recall a name-face association using the spaced-retrieval method. We administered six training sessions over a 2-week period. On each trial, participants selected a target photograph and stated the target name, from eight other photographs, at increasingly longer retention intervals. Results yielded a positive effect of spaced-retrieval training for name-face recognition. All participants were able to select the target photograph and state the target's name for longer periods of time within and across training sessions. A live-person transfer task was administered to determine whether the name-face association, trained by spaced-retrieval, would transfer to a live person. Half of the participants were able to call the live person by the correct name. These data provide initial evidence that spaced-retrieval training can aid older adults with probable AD in recall of a name-face association and in transfer of that association to an actual person.

Aged↗
PubMed2006

An evaluation of computer-based programmed instruction for promoting teachers' greetings of parents by name.

Although greeting parents by name facilitates subsequent parent-teacher communication, baseline measures revealed that 4 preschool teachers never or rarely greeted parents by name during morning check-in. To promote frequent and accurate use of parents' names by teachers, the effects of a fully automated computerized assessment and programmed instruction (CAPI) intervention were evaluated in a multiple baseline design. The CAPI intervention involved assessment and training of relations among parents' and children's pictures and names, and produced rapid learning of parent names. The CAPI intervention also resulted in substantial improvements in the classroom use of parents' names for 3 of the 4 teachers; however, a supervisor-mediated feedback package (consisting of instructions, differential reinforcement, and error correction) was necessary to maintain name use for 2 of those teachers. The practical strengths and limitations of computer-based teacher training are discussed.

Adult↗
PubMed1998

Health benefits and risks of reporting HIV-infected individuals by name.

With more treatment options emerging for human immunodeficiency virus (HIV) infection, the policy of reporting HIV-infected individuals by name merits reevaluation. This paper reviews the benefits and risks of name reporting of persons infected with HIV. Public health departments have linked name reporting with medical referrals, risk reduction counseling, and partner notification programs. Yet some studies indicate that people are less likely to be tested for HIV infection when name reporting is implemented. Whether name reporting actually improves individual or public health, therefore justifying the increased risk of loss of confidentiality and possibly reduced testing rates, remains unknown. The lack of health outcome data on name reporting allows beliefs rather than facts to dominate debate about this policy. Before this practice is more widely adopted, a determination should be made as to whether the potential benefits of name reporting outweigh the risks.

AIDS Serodiagnosis↗
PubMed2005

Impressions of people with gender-ambiguous male or female first names.

Undergraduates (12 men, 12 women) read a scenario in which they formed an impression of nine people who had left their first name on an answering machine. Participants rated the extent to which seven characteristics (Ethical, Caring, Popular, Cheerful, Successful, Masculine, Feminine) applied to people whose first names were gender-ambiguous (e.g., Chris), male (e.g., Ken) or female (e.g., Pam). People with gender-ambiguous names were rated less Ethical than those with female names, and people with gender-ambiguous names and male names were rated less Caring, less Cheerful, and less Feminine than those with female names. These results are consistent with the idea that there is a bias towards assuming that a person of unspecified sex is a male.

Adult↗
PubMed1997

Is visual attention automatically attracted to one's own name?

Subjects were presented with briefly exposed visual displays of words that were common first names with a length of four to six letters. In the main experiment, each display consisted of four words: two names shown in red and two shown in white. The subject's task was to report the red names (targets), but ignore the white ones (distractors). On some trials the subject's own name appeared as a display item (target or distractor). Presentation of the subject's name as a distractor caused no more interference with report of targets than did presentation of other names as distractors. Apparently, visual attention was not automatically attracted by the subject's own name.

Adolescent↗
PubMed1999

Large-scale databases of proper names.

Few tools for research in proper names have been available--specifically, there is no large-scale corpus of proper names. Two corpora of proper names were constructed, one based on U.S. phone book listings, the other derived from a database of Usenet text. Name frequencies from both corpora were compared with human subjects' reaction times (RTs) to the proper names in a naming task. Regression analysis showed that the Usenet frequencies contributed to predictions of human RT, whereas phone book frequencies did not. In addition, semantic neighborhood density measures derived from the HAL corpus were compared with the subjects' RTs and found to be a better predictor of RT than was frequency in either corpus. These new corpora are freely available on line for download. Potentials for these corpora range from using the names as stimuli in experiments to using the corpus data in software applications.

Databases as Topic↗
PubMed2002

Do newborn intensive care unit staff know the gender and first names of their patients?

We studied whether or not our personnel knew the gender and first names of their neonatal patients. A volunteer high-school student interviewed 18 NICU nurses without their awareness as to the true nature of the study. While asking open-ended questions, the interviewer would listen for the newborn to be correctly or incorrectly identified by gender and first name. Of the 42 newborns, incorrect gender identification was observed for six (14%) of them. The first name was unknown for 12 (29%) of the 42 infants. When combining both gender and name recognition 11 (61%) of the 18 nurses had an incorrect response for at least one of their patients. Initial day contact and infrequent parental visitations were identified as possible reasons for lack of gender and/or name awareness. Referring to neonatal patients by both their first and last names may be helpful in improving gender and name acknowledgement.

Female↗
PubMed1991

Genetic and cultural transmission in Sicily as revealed by names and surnames.

The study of names as cultural characters and of surnames, which behave like genetic markers, is useful for comparing cultural and genetic transmission. Genetic transmission has a unique vertical component, which also can be present in the transmission of cultural traits associated with a horizontal (or epidemic) component resulting from local customs or fashion. Our aims in this study are to infer genetic patterns in Sicily from surnames and names and to evaluate and compare the consequences of vertical versus horizontal transmission of cultural markers. Names and surnames of 88,383 consanguineous spouses collected in 16 dioceses of Sicily were analyzed by multivariate analysis to reveal and compare the geographic clusters obtained from both sets of data. As a result, both data sets indicate a major separation between the eastern and the western region of Sicily. Also, distance matrices obtained from names are highly correlated with those from surnames. But names seem to form fewer and larger geographic clusters, whereas surnames are more greatly subdivided into smaller clusters. The most common male names present a different pattern from surnames. Vertical transmission is the cause of the similarity of the main geographic patterns of names and surnames and their correspondence with findings from geography of genes, and horizontal cultural transmission explains the major differences. Furthermore, the genetic and cultural affinities can be correlated with the historical background of Sicily.

Cluster Analysis↗
PubMed2002

Further evidence for the role of free radicals in the limb teratogenicity of L-NAME.

BACKGROUND: L-NAME (N(G)-nitro-(L)-arginine methyl ester), a nitric oxide synthase inhibitor, causes severe limb reduction malformations when gravid rats are treated intraperitoneally on gd-17. Hemorrhages, appearing within hours of L-NAME administration, and defects at term can be significantly reduced by co-treatment with PBN (alpha-phenyl-N-t-butylnitrone), a spin trap antioxidant. We have proposed that limb defects result from ischemia-reperfusion injury. We examine the role of xanthine oxidase and ROS formation in the limb effects of L-NAME. METHODS: Gravidas were treated with L-NAME (50 mg/kg) in the presence or absence of allopurinol, a xanthine oxidase inhibitor. Spatial patterns of limb hemorrhage were determined promptly and at term as was digit length at the latter interval. Xanthine oxidase activities were assayed in control and treated limbs with and without allopurinol co-treatment. RESULTS: Allopurinol significantly reduced hemorrhage severity in a dose-responsive fashion when fetuses were examined at term. Higher doses of allopurinol significantly preserved digit length. Xanthine oxidase activities in fetal limb were significantly increased by L-NAME treatment whereas co-treatment with allopurinol restored activities to near-control levels. CONCLUSIONS: These findings support the role of excess reactive oxygen species (ROS) formation in L-NAME-induced limb reduction. We propose that nitric oxide (NO) depletion by L-NAME interferes with vascular integrity, and causes vasoconstriction. Resultant hypoxia stimulates superoxide formation and nitric oxide formation catalyzed by the inducible isoform of nitric oxide synthase. The reduction products of superoxide or the products of its reaction with nitric oxide oxidize or nitrate endothelial components resulting in limb reduction defects.

Allopurinol↗
PubMed1997

A curvilinear trend in naming errors as a function of early vocabulary growth.

This research examines changes in word retrieval and naming during a developmental period in which there is a substantial increase in productive vocabulary. That increase generally occurs when children have between 50 to 150 words in productive vocabulary. We examined children's naming errors in two studies for what these errors could tell us about the emerging lexicon. The method we used for eliciting spontaneous naming was picture book reading by the parent. In Experiment 1, 12 children were followed longitudinally at three-week intervals from 15 to 22 months. Parent diaries were used as a measure of vocabulary growth. Experiment 2 used a cross-sectional design to compare the naming errors of 60 children assigned to one of three vocabulary ranges. Measures of vocabulary size were based on the MacArthur Communicative Development Inventory. In both experiments we found a sharp increase in naming errors in the picture book task that was coincident with sudden changes in productive vocabulary. These naming errors were often perseverative in nature and appear to reflect interference in the retrieval process from previously retrieved words. The results suggest that these errors in naming are a consequence of changes in lexical processing that occur with rapid growth of productive vocabulary and concurrent increased rates of speaking.

Analysis of Variance↗
PubMed1975

[Colour naming deficit in aphasic and non-aphasic brain damaged patients (author's transl)].

We have examined the severity and quality of aphasic misnaming in colour naming tasks as compared to errors of patients with right-sided brain damage and to patients with posterior disconnexion syndrome. The investigation is based on 80 aphasic patients, 20 patients with right-sided brain damage and 80 normal control subjects. Differences in the performance for colour and object naming are discussed. The main results were: 1. The subtypes of aphasia did not differ quantitatively in both types of performance. All aphasics made significantly more errors on colour naming than on object naming tasks. This difference, however, was numerically too small to have practical value. 2. Unlike in the corresponding understanding tasks, both types of naming tasks differentiated between aphasic and non-aphasic patients, the aphasic group performing poorer. 3. The four subtypes of aphasia had similar error scores in the 10 colour tasks. We observed certain regularities in the type of paraphasic misnaming for the total group of aphasics. The subgroup of amnesic aphasia was characterized by a strategy of modifying the colour terms similar to the description of use encountered in the language behavior of these patients. 4. Patients with posterior disconnexion syndrome in general make 7 errors out of 10 tasks in colour naming, in contrast to 2 errors out of 10 tasks in object naming. For aphasic patients the relation is 3.5 to 2.5 errors.

Adolescent↗