Related Experiment Video
Updated: Aug 13, 2026
Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks
Published on: December 5, 2014
MRI in motor delay: important adjunct to classification of cerebral palsy
E J Candy1, A H Hoon, A J Capute
1Department of Radiology, Johns Hopkins Hospital, Baltimore, Maryland, USA.
Insights
Cranial magnetic resonance imaging (MRI) is valuable for diagnosing cerebral palsy in infants with motor delays. MRI helps identify causes and supports clinical assessments for better diagnosis.
Area of Science:
- Pediatric Neurology
- Neuroradiology
- Developmental Pediatrics
Background:
- Motor delay in infants can stem from various etiologies.
- Accurate diagnosis is crucial for timely intervention and management.
- Cerebral palsy (CP) is a common cause of motor delay in children.
Purpose of the Study:
- To evaluate the utility of cranial magnetic resonance imaging (MRI) in identifying etiologic factors for motor delay in children.
- To assess the correlation between myelination patterns on MRI and the severity of motor delay.
- To determine the correspondence between clinical classifications of motor delay and MRI findings.
Main Methods:
- Prospective study of 45 children aged 3-27 months with documented motor delay.
- Cranial magnetic resonance imaging (MRI) was performed on all participants.
- Clinical data, including motor delay severity and suspected etiologies, were collected and compared with MRI results.
Main Results:
- 77% of children with major motor delay (cerebral palsy) showed MRI abnormalities.
- MRI alone identified etiologic associations in 23% of cases and supported suspected etiologies in 32%.
- Myelination delay was not observed as the sole abnormality; 17% of children with minor motor delay had abnormal scans.
Conclusions:
- Cranial MRI provides significant diagnostic information in the majority of children with cerebral palsy.
- MRI findings, when combined with clinical assessment, can refine the etiological classification of cerebral palsy.
- A proposed classification system integrates clinical and MRI data for more precise etiological determination in pediatric motor delay.
Abstract:
Cranial magnetic resonance imaging (MRI) was performed prospectively in 45 children (ages 3-27 months) with clinically documented motor delay to evaluate the ability of MRI to determine etiologic factors, to determine whether myelination correlated with motor delay, and whether the clinical category corresponded with the imaging findings. Of the 22 children diagnosed clinically as having major motor delay (i.e., cerebral palsy), 77% had magnetic resonance imaging abnormalities. In 23%, etiologic associations were established from MRI alone and in 32% a clinically suspected etiology was supported. No children had myelination delay as the sole abnormality. In 23 children with minor motor delay, only 17% had abnormal scans. Clearly, MRI provided useful information in the majority of children with cerebral palsy; therefore, a classification system is proposed in which MRI can be used in conjunction with clinical assessment to specify more precisely the etiologic factors in cerebral palsy.
