Jordan Peterson,

Well

## Understanding Acrothesia*

*Acrothesia** refers to a localized increase or abnormality in tactile sensitivity, often manifesting as an intense or heightened perception of touch in the extremities, such as the fingers or toes. Unlike general hyperesthesia, acrothesia specifically targets the distal portions of the limbs and is frequently linked to underlying peripheral nerve irritation or early-stage neuropathy. When the nervous system is compromised, the threshold for sensory input drops, causing ordinary contact—such as the brush of clothing or a cool breeze—to be interpreted by the brain as exaggerated or even uncomfortable sensations.

## The Role of Infections and Mold

In the context of systemic or localized infections, acrothesia often serves as a clinical indicator of **neurotropism**, where a pathogen or its metabolic byproducts affect nerve endings. Certain fungal infections, particularly those involving toxicogenic molds like:

*Stachybotrys chartarum*

(black mold)

or specific species of *Aspergillus*, can release **mycotoxins** that are potent neurotoxins. These toxins can trigger inflammatory responses or oxidative stress within the myelin sheath of peripheral nerves, leading to the sensory distortions characteristic of acrothesia.

In chronic inflammatory response syndrome (CIRS) caused by water-damaged buildings, the persistent exposure to these mold spores can result in sustained nerve hypersensitivity, making acrothesia a common, albeit distressing, neurological symptom of mold-related illness.