Stringhalt management of Australian stringhalt. Two weeks after treatment with phenytoin, significant improvement was observed in the gait abnormality of horses affected with Australian stringhalt at the trot and canter, but no significant improvement was observed at the walk or while turning. The most common plant species that have been found and identified in pastures where affected horses were located include: flatweed ("Hypochaeris radicata"), sheep's sorrel ("Rumex acetosella") and couch grass ("Elymus repens"). The type of nerve damage sustained in horses with Australian stringhalt suggests a mould toxin (mycotoxin) or a fungal 'poison' found in the soils may be a cause
Antisocial personality disorder the Factor 1 traits of psychopathy, which describes its core affective (e.g. lack of empathy, fearlessness) and interpersonal (e.g. grandiosity, manipulativeness) personality disturbances. This is suggestive of two different forms, one associated more with impulsive behavior and emotional dysregulation, and the other with predatory aggression and affective disturbance, of the disorder. Various other gene candidates for ASPD have been identified by a genome-wide association study published in 2016. Several of these gene candidates are shared with attention-deficit hyperactivity disorder, with which ASPD is comorbid. Traumatic events can lead to a disruption of the standard development of the central nervous system,