The Neural Oscillatory Spectroscopy System — a twelve-sector diagnostic classification mapping oscillation signatures to clinical conditions, grounded in DSM-5/HiTOP alignment and validated EEG research. Each sector scored continuously on a 0-100 scale enabling multi-label classification.
Mood disorders are characterized by persistent disturbances in emotional state — depression, mania, or cycling between the two. NOSS identifies these through frontal alpha asymmetry patterns, elevated theta activity during emotional processing, and characteristic shifts in beta/gamma ratios during state transitions.
Anxiety spectrum disorders produce distinctive patterns of elevated beta power, reduced alpha relaxation response, and disrupted theta-gamma coupling during threat processing. PTSD adds unique temporal fragmentation markers and dissociative coherence breaks.
Psychotic spectrum conditions are marked by disrupted gamma synchrony — particularly at 40Hz — cross-band coherence degradation, and elevated delta intrusion. Narratives display loose associations, reality-testing failures, and fragmented causal logic.
Neurocognitive conditions produce progressive theta slowing, reduced alpha peak frequency, and deteriorating cross-band coupling. Narratives show declining temporal specificity, word-finding difficulties, and progressive loss of narrative complexity.
Developmental conditions show atypical cross-frequency coupling patterns — not deficits per se, but divergent oscillatory architectures. ADHD shows characteristic theta-beta ratio elevations, while ASD displays altered gamma coherence patterns.
The healthy baseline — characterized by balanced oscillatory power across all bands, strong alpha rhythm, robust theta-gamma coupling, and flexible state transitions. This is what "cognitive wellness" looks like in oscillatory terms.
Traumatic brain injury produces coherence degradation across all frequency bands, with particular disruption in alpha-gamma coupling. Severity correlates with the breadth of cross-band disruption. CTE shows progressive deterioration patterns over longitudinal assessment.
Neurodegenerative conditions produce progressive, irreversible oscillatory deterioration distinct from neurocognitive patterns. Parkinson's prodromal markers, ALS cognitive involvement, and Huntington's disease each show characteristic degradation trajectories detectable through longitudinal narrative analysis.
Distinct from acute trauma (PTSD in Sector II), captivity and coercive control produce unique oscillatory signatures reflecting sustained identity erosion, learned helplessness, and complex attachment disruption. Narratives show characteristic compliance language, identity fragmentation, and temporal distortion patterns.
Substance use disorders produce characteristic oscillatory disruptions — reward circuitry dysregulation reflected in theta-beta coupling, impulsivity markers in reduced alpha, and craving states with elevated beta. Narratives show future-discounting language and impaired consequence processing.
Dissociative conditions produce unique oscillatory signatures characterized by compartmentalized processing — distinct from the DISS-T integration pattern. Full dissociative disorders show measurable shifts in oscillatory coherence between identity states and characteristic narrative discontinuity markers.
Personality disorders produce stable, enduring oscillatory patterns — not episodic disruption but consistent maladaptive architecture. Borderline personality shows characteristic affective instability oscillations, narcissistic patterns show empathy-circuit hypoactivation, and antisocial patterns show reduced emotional resonance signatures.
Beyond category classification, NOSS assesses how the mind integrates information — the dynamic quality of cognitive processing expressed through theta-gamma coupling patterns.
Experience how NOSS classification powers DreamWeaver visualization and Beverly Index scoring.