ConductVision · Behavioral Analysis

Drosophila Bang Sensitivity

Quantify seizure susceptibility and recovery from mechanical shock in Drosophila.

DrosophilaSeizure / NeurologicalAuto Export
ConductVision / Drosophila Bang Sensitivity
40% heightVortex→ Recovery →
Recording / Trial 3fly tracked
Recovery28s
Seizure12.5s
BS Index0.65

Key Parameters

Metrics automatically extracted by ConductVision.

Recovery Time

Duration from seizure onset to resumption of normal locomotion, the primary endpoint for bang-sensitive mutant screening

Seizure Duration

Length of the convulsive episode (leg-shaking, wing-buzzing) following 10-second mechanical vortex stimulation

Bang Sensitivity Index

Composite score integrating paralysis duration, seizure severity, and recovery speed into a single 0–1 metric

Paralysis Latency

Time from vortex onset to first observable seizure behavior, indicating seizure threshold and circuit excitability

Percent Paralyzed

Fraction of flies displaying seizure or paralysis at 5-second intervals post-vortex, generating population kinetics

Recovery Curve

Time-course plot of behavioral recovery across the cohort fitted to a sigmoid, yielding T50 and slope parameters

+ 4 more parameters trackedShow all

Seizure Phase Classification

Automated labeling of initial paralysis, tonic phase, clonic phase, and recovery using locomotor activity state transitions

Wing Buzz Duration

Total time spent in high-frequency wing vibration during the seizure episode, a hallmark of clonic seizure phase

Post-Recovery Activity

Locomotor activity level in the 5 minutes after seizure recovery, measuring post-ictal depression or hyperactivity

Repeat Stimulation Response

Change in seizure severity and recovery time across consecutive vortex trials, assessing seizure kindling or resistance

What is the Bang Sensitivity Assay?

The bang sensitivity assay measures seizure susceptibility in Drosophila. Mechanical stimulation (10-second vortex) induces stereotyped seizure-like behavior in susceptible mutants: initial paralysis, followed by leg-shaking, wing-buzzing, and gradual recovery. The assay is used to identify seizure-suppressor and seizure-enhancer genes relevant to human epilepsy.

ConductVision automates post-vortex tracking, classifying paralysis, seizure, and recovery phases from locomotor activity patterns. The software outputs recovery time, paralysis fraction, and seizure duration for high-throughput genetic and pharmacological screening of antiepileptic compounds.

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