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Double-barreled and Concentric Microelectrodes for Measurement of Extracellular Ion Signals in Brain Tissue

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Hypokalemic sensory overstimulation.

Michael M Segal¹, Gary F Rogers, Howard L Needleman

¹SimulConsult, Inc, Chestnut Hill, Massachusetts, USA. jcn@simulconsult.com

Journal of Child Neurology

|January 5, 2008

Summary

This summary is machine-generated.

This study identifies a family with sensory overstimulation, treatable with potassium, suggesting a link to potassium channel disorders. This finding may reveal new therapies for attention deficit disorder subtypes.

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Area of Science:

Neuroscience
Genetics
Pharmacology

Background:

Sensory overstimulation presents as sensory overload and resistance to local anesthetics like lidocaine.
A family exhibits symptoms suggesting a potassium sensitivity akin to hypokalemic periodic paralysis.

Observation:

Patients experience subjective sensory overload.
A relative resistance to lidocaine local anesthesia is noted.
Symptoms are treatable with oral potassium gluconate.

Findings:

Oral potassium gluconate provides therapeutic effects within approximately 20 minutes.
The potassium's effect resembles its role in channelopathies causing hypokalemic periodic paralysis.
Peripheral resistance to lidocaine suggests a peripheral sensory abnormality.

Implications:

The findings suggest potential subtypes of attention deficit disorder with peripheral sensory origins.
This research opens avenues for novel therapeutic strategies targeting sensory processing.
Understanding potassium's role may inform treatments for related neurological conditions.