Work

Parameters of the event-related potential are related to functioning in the mentally retarded

Year: 1986

Type: article

Abstract: Event-related potentials were measured in 39 institutionalized profoundly and severely retarded clients divided into two groups: clients assigned to sheltered workshop (WS); and clients, residentially matched, but not assigned to workshop (NSW). Since the groups differed in intelligence (p less than 0.01) the ERP was evaluated by analysis of covariance with IQ as the covariate. The WS group had significantly shorter latency of components reflecting initial registration (P1) and channeling (N1) of sensory input and significantly greater amplitude of indices of enhanced perception (P2) and cognitive elaboration (N2). The WS group had significantly more complex waves than the NWS group. A modest (r=0.31, p less than 0.05) relationship between P2 and IQ was observed. Multiple correlations of composite measures of the ERP with IQ were not significant but higher in the NWS than WS group. The possibilities that the ERP be used as a supplemental metric for functional evaluation or that the workshop experience might stimulate central nervous system plasticity were discussed.

Source: International Journal of Neuroscience

DOI: 10.3109/00207458608985633

Authors: Curt A. Sandman, Jennifer L. Barron

Institution: University of California, Irvine

Language: English

Topic: Down syndrome and intellectual disability research

Subfield: Public Health, Environmental and Occupational Health

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: green

OpenAlex ID: W1996675073