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ERIC Number: EJ981806
Record Type: Journal
Publication Date: 2012-Oct
Pages: 7
Abstractor: As Provided
Reference Count: 46
ISBN: N/A
ISSN: ISSN-0012-1622
Psychiatric and Cognitive Phenotype of Childhood Myotonic Dystrophy Type 1
Douniol, Marie; Jacquette, Aurelia; Cohen, David; Bodeau, Nicolas; Rachidi, Linda; Angeard, Nathalie; Cuisset, Jean-Marie; Vallee, Louis; Eymard, Bruno; Plaza, Monique; Heron, Delphine; Guile, Jean-Marc
Developmental Medicine & Child Neurology, v54 n10 p905-911 Oct 2012
Aim: To investigate the psychiatric and cognitive phenotype in young individuals with the childhood form of myotonic dystrophy type 1 (DM1). Method: Twenty-eight individuals (15 females, 13 males) with childhood DM1 (mean age 17y, SD 4.6, range 7-24y) were assessed using standardized instruments and cognitive testing of general intelligence, visual attention, and visual-spatial construction abilities. Results: Nineteen patients had repeated a school grade. The mean (SD) Full-scale IQ was 73.6 (17.5) and mean Verbal IQ was significantly higher than the mean Performance IQ: 80.2 (19.22) versus 72.95 (15.58), p=0.01. Fifteen patients had one or more diagnoses on the DSM-IV axis 1, including internalizing disorders (phobia, n=7; mood disorder, n=6; other anxiety disorders, n=5) and attention-deficit-hyperactivity disorder, inattentive subtype (n=8). Twelve out of 22 patients had alexithymia (inability to express feelings with words and to recognize and share emotional states). Cognitive testing found severe impairments in visual attention and visual-spatial construction abilities in four out of 18, and 14 out of 24 patients respectively. No diagnosis was correlated with the transmitting parent's sex or with cytosine-thymine-guanine (CTG) repeat numbers. Patients with severe visual-spatial construction disabilities had a significantly longer CTG expansion size than those with normal visual-spatial abilities (p=0.04). Interpretation: Children and adolescents with childhood DM1 have frequent diagnoses on DSM-IV axis 1, with internalizing disorders being the most common type of disorder. They also have borderline low intelligence and frequent impairments in attention and visual-spatial construction abilities. (Contains 3 tables and 1 figure.)
Wiley-Blackwell. 350 Main Street, Malden, MA 02148. Tel: 800-835-6770; Tel: 781-388-8598; Fax: 781-388-8232; e-mail: cs-journals@wiley.com; Web site: http://www.wiley.com/WileyCDA/
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: France
Identifiers - Assessments and Surveys: Beck Depression Inventory