Somatosensory Tickle Hotspots Atlas: Cross-Cultural Tactile Map

TACTILE STIMULUS PROBE CALIBRATED RIG

Stimulus Mechanism

Gargalesis: High-arousal heavy compressive tickle triggering central laughter reflex circuits, social play responses, and primary somatosensory cortex (S1) gating.

Stimulus Frequency (Hz) 4.5 Hz

Contact Force (Newtons) 1.2 N

Cross-Cultural Cohort Dataset

Anatomical Zone Quick-Select (18 Hotspots)

Primary Afferent Mechanoreceptors

• Meissner Corpuscle (FA1) Active

• Pacinian Corpuscle (FA2) Active

• C-Tactile Unmyelinated Afferents Modulated

⚡ Click or drag anywhere on the body silhouette to stimulate tactile zones

SOMATOSENSORY DYNAMICS S1 CORTEX TELEMETRY

Sensitivity Index (SSI) 0.94

Mechanoreceptor Rate 142 Hz

S1 Cortical Activation 88.5%

Cross-Cohort Variance 4.2%

Central Laughter Reflex THRESHOLD EXCEEDED

Sub-threshold (Sensory) Motor Burst Trigger (Laughter)

Afferent Spike Raster Oscilloscope 142 spikes/s

Cross-Cultural Invariance Analysis

Cohort	Hotspot Rank	Sensitivity	Invariance