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Biomedical subjects

U Goswami

Publications and source records attributed to U Goswami.

At least 37 records · Page 2Linked to original sources

Phonological priming and orthographic analogies in reading.

Recent work has demonstrated that children can use orthographic analogies between the spelling patterns in words to help in decoding new words (e.g., using beak to read peak; Goswami, 1986, 1988). However, one objection has been that these analogy effects may be due to phonological priming. Two experiments examined the phonological priming alternative. In Experiment 1, a single word reading task compared the use of analogies to read words that shared both orthography and phonology (e.g., most-post), that shared orthography only (e.g., most-cost), or that shared phonology only (e.g. most-toast--the phonological priming condition). Limited effects of phonological priming were found. Experiment 2 then presented the same words embedded in prose passages--"real reading." While the orthographic analogy effect remained robust, the small phonological priming effect disappeared. It is argued that phonological priming is an insufficient explanation of the analogy effect at the single word level, and plays no role in the use of analogies in story reading.

Attention↗

A special link between rhyming skill and the use of orthographic analogies by beginning readers.

The existence of a strong correlation between phonological awareness and the development of reading has long been known. More recently, it has been shown that pre-reading rhyming skills are the best predictor of later reading ability that we have. One reason for this relationship may be that children who have put words into rhyming categories before they begin school may be quick to realize that these words also tend to share the same spelling patterns, and may then use such similarities in spelling to make predictions (analogies) about how new written words will sound. The present study tests one aspect of this hypothesis, which is that children who make more analogies in reading are also better at rhyming than children who do not. Evidence consistent with this prediction is presented.

Attention↗

Not all nonwords are alike: implications for reading development and theory.

Three experiments were designed to examine children's and adults' ability to pronounce consonant-vowel-consonant (CVC) nonsense words. Some of the nonwords, like tain and goach, shared their VC unit with a number of real words. Other nonwords, like goan and taich, shared their VC unit with few or no real words. Pooling across items, the very same grapheme-phoneme correspondences occurred in the two types of nonwords. First graders, good and poor third grade readers, and adults all performed better on the nonwords with the more common VC units than on the nonwords with the less common VC units. Although readers appeared to use VC units in the pronunciation of nonwords, we did not find evidence for use of initial CV units. Implications of the results for reading development, dyslexia, and models of nonword pronunciation are discussed.

Attention↗

DST in India.

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Cross-Cultural Comparison↗

Electroconvulsive therapy in neuroleptic-induced parkinsonism.

The effect of electroconvulsive therapy (ECT) on the severity of neuroleptic-induced parkinsonism was studied in nine schizophrenic inpatients in a longitudinal triphasic design: neuroleptics-neuroleptics plus ECT-neuroleptics. The results suggest that ECT has a true antiparkinsonian potential. The role of ECT in the treatment of Parkinson's disease, especially with therapy-resistant patients complicated with on-off symptoms, is highlighted.

Adolescent↗

A pilot study of the role of prophylactic antiparkinson treatment during neuroleptic therapy.

The authors administered haloperidol 4.5 mg t.i.d. to 33 drug-free schizophrenic patients. Ten patients did not receive anything else (group HPL), while ten patients received procyclidine 5 mg t.i.d., and 13 patients were given promethazine 25 mg t.i.d. (groups HPRC and HPRM respectively) in addition. Seven patients dropped out of the HPL group and three out of the HPRM group, but none out of the HPRC group. These drop outs were due to the development of early extrapyramidal side effects, which were absent in the HPRC group. The findings suggest that antiparkinson prophylaxis is useful during commencement of therapy with high-potency neuroleptic agents.

Adult↗

On the lethality of acute respiratory component of tardive dyskinesia.

Acute respiratory component of tardive dyskinesia, though reported very infrequently, is a potentially lethal condition necessitating urgent intervention. Several relevant issues are discussed with an illustrative case material. The need to differentiate respiratory dyskinesia from psychogenic hyperventilation is emphasized. Use of neuroleptics is discouraged to avoid unfavourable long-term outcome.

Acute Disease↗

A study of state-dependent reversal of tardive dyskinesia: phenomenological probe in humans.

A longitudinal study of a case report in which bipolar manic-depression was complicated by tardive dyskinesia indicates an antithetical relationship between the severity of tardive dyskinesia and that of depression as well as mania. Reversal of tardive dyskinesia in depression was compatible with the current neurochemical postulates of these disorders. The scarce reports of state-dependent dyskinesias are reviewed in the hope that this can be a useful probe in human studies. Finally, the "undopamine" hypothesis of tardive dyskinesia as a hypernoradrenergic state is discussed and the need for phenomenological-neurochemical characterization of tardive dyskinesia is emphasized.

Adult↗

Is akathisia a forerunner of tardive dyskinesia? A clinical report with brief review of literature.

k bipolar manic-depressive patient, developed while on lithium prophylaxis, akathisia at therapeutic serum lithium levels and subsequently bucco-linguo-masticatory dyskinesia. The authors propose that differential involvement of dopamine systems may account for the transition from akathisia to tardive dyskinesia. In the light of a brief review of literature, a prospective study of akathisia and tardive dyskinesia seems justified.

Akathisia, Drug-Induced↗