This paper is only available as a PDF. To read, Please Download here.
Abstract
Cortical evoked potentials were measured to visual, auditory and somatosensory stimuli
in 20 subjects with serious neurodevelopmental impairments due to various etiologies.
The results were compared with behavioral observations to find out whether the absence/presence
of the responses corresponded to the level of social functioning. No cortical evoked
potentials were elicited in two subjects, responses to the stimulation of one modality
were missing in three subjects (retinal b-waves and brainstem auditory and somatosensory
evoked potentials were, however, preserved in them). No communicative behavior was
observed in subjects with absent responses. Ten subjects had marked deviations in
the evoked potentials, the behavioral observations in them, ranging from no communication
to sentenced speech. Five subjects had normal response patterns and they showed a
great variety of communicative skills, including speech. The results support the view
that bilateral loss of cortical somatosensory, visual, and auditory evoked potentials
is a sign of loss of neural substrates of communication.
Keywords
To read this article in full you will need to make a payment
Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to Brain and DevelopmentAlready a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
References
- Prognostic utility of SEPs in comatose children.Pediatr Neurol. 1987; 3: 78-82
- The use of somatosensory evoked potentials in infants and children.J Child Neurol. 1989; 4: 3-19
- Evoked potentials in clinical medicine.in: Raven Press, New York1990: 423-424
- Prognostic reliability of somatosensory and visual evoked potentials of asphyxiated term infants.Dev Med Child Neurol. 1992; 34: 507-515
- Clinical application of evoked electroencephalographic responses in newborn infants. I. Perinatal asphyxia.Dev Med Child Neurol. 1977; 19: 34-44
- Follow-up of visual evoked potential in full-term and pre-term control newborns and in subjects who suffered from perinatal respiratory distress.Electroencephalogr Clin Neurophysiol. 1980; 48: 509-516
- Prognostic utility of VEPs in full-term asphyxiated infants.Pediatr Neurol. 1986; 2: 220-223
- Serial visual evoked potential and outcome in full-term birth asphyxia.Pediatr Neurol. 1991; 7: 86-90
- Comparison of the prognostic ability of VEPs and SEPs in comatose children.Pediatr Neurol. 1989; 5: 145-150
- Somatosensory evoked potentials and outcome in perinatal asphyxia.Arch Dis Child. 1992; 67: 393-398
- A preliminary prospective neurophysiological study of coma in children.Am J Dis Child. 1984; 138: 492-495
- Multimodality evoked potentials in closed head trauma.Arch Neurol. 1984; 41: 369-374
- Evoked potentials in severe head injury: analysis and relation to outcome.J Neurol Neurosurg Psychiatry. 1981; 44: 796-802
- Comparison of phenytoin and phenobarbital effects on far-field auditory and somatosenso ry evoked responses in brain death.Neurology. 1981; 23: 417-421
- Effects of the anticonvulsant carbamazepine on event-related brain potentials in man.in: Barber C Blum T Evoked potentials, III. Butterworth, London1987: 361-369
- Effects of the anticonvulsant benzodiazepine clonazepam on event-related brain potentials in humans.Electroencephalogr Clin Neurophysiol. 1991; 78: 142-149
- An investigation of the human cortical evoked potential under conditions of monoaural and binaural stimulation.Acta Otolaryngol. 1969; 68: 317-326
- Human auditory evoked potentials. I. Evaluation of components.Electroencephalogr Clin Neurophysiol. 1983; 36: 179-190
- Comparison between simultaneously recorded auditory evoked magnetic fields and potentials elicited by ipsilateral, contralateral and binaural tone burst stimulation.Audiology. 1986; 25: 54-61
- Age-related variations in evoked potentials to auditory stimuli in normal human subjects.Electroencephalogr Clin Neurophysiol. 1978; 44: 447-458
- Human brain electrophysiology.in: Elsevier, New York1989: 373
- Evozierte Potentiale in der klinischen Diagnostik.in: Georg Thieme, New York1983: 63
- Evozierte Potentiale in der klinischen Diagnostik.in: Georg Thieme, New York1983: 311
- An early communication curriculum: implications for practice.in: Coupe J Goldbart J Communication before speech. Normal development and impaired communication. Croom Helm, New York1988: 92-120
- Flash and pattern-reversal visual evoked potential abnormalities in infants and children with cerebral blindness.Dev Med Child Neurol. 1992; 34: 305-315
- Parameters of the event-related potential are related to functioning in the mentally retarded.Int J Neurosci. 1986; 29: 37-44
- Principles of evoked response audiometry.Ann Otol Rhinol Laryngol. 1976; 85: 1-96
- New aspects in the diagnosis of neuronal ceroid lipofuscinosis.Brain Dysfunct. 1991; 4: 211-216
- Evoked potentials in infantile spasms.Brain Dev (Tokyo). 1987; 9: 365-368
- Acute effects of anticonvulsasnts on brain-stem auditory evoked potentials in rats.Electroencephalogr Clin Neurophysiol. 1990; 75: 543-547
Article info
Publication history
Accepted:
September 3,
1993
Received:
May 17,
1993
Identification
Copyright
© 1994 Elsevier Science B.V. All rights reserved. Published by Elsevier Inc.