Trigeminally induced startle
in children with hyperekplexia.
responses of 20 larvae were tested before adding the drug.
A possible startle
reaction was monitored by recording surface electromyographic (EMG) activity from the right OOc and SCM.
Recent human volunteers studies involving seated transient perturbations have suggested that the startle
reflex forms part of the neuromuscular response to a rear-end collision.
The purpose of this study was to re-examine the processing mediating anticipation of affective stimuli by measuring the eyeblink startle
reflex and skin conductance changes to disentangle the role of stimulus aversiveness (affective modulation) and emotional arousal (attentional modulation) over anticipatory responses.
During the 3rd stimulus presentation, the degree of startle
was somewhat reduced in magnitude, the vocalization was still present but no movement of the arm occurred.
The neuroethology of acoustic startle
and escape in flying insects.
"Children with trauma but partial PTSD still [showed a] significant difference" he said, noting they could reduce their startle
response by only 40%, compared with 50%-60% in controls.
PTSD symptom severity correlated with each child's ability to modulate his startle
Baseline acoustic startle
response (Habituation -ASR-1-session): Experiments 1-2
Hyperekplexia, 'stiff baby syndrome' or 'startle
disease' was first described in 1958 by Kirstein and Silfverskiold (1).