14 and 6 Hz Positive Spikes
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Montage: unspecified
appearance
- sharp positive component, rounded negative component
- predominantly in light sleep
- runs usually less than 2 seconds
- posterior temporal, unilaterally or bilaterally
- medium amplitude: 20-60 uV
clinical significance
normal variant
- seen predominantly in adolescents, especially age 13-14 years, although it can be seen at any age
- 6-Hz positive spikes: predominate in children < 1 year and adults > 40 years
- 14-Hz positive spikes: predominate or combine with 6-Hz spikes in other age groups