Review Article

A Need for Consistency in Behavioral Phenotyping for ASD: Analysis of the Valproic Acid Model

Table 4

Repetitive behavior in open environments.

ReferenceApparatusPretest habituationDurationCoding methodsBehaviors analyzedOutcome

Gandal et al. [10]Cage without bedding20 min to new cage10 minManual real-time (blind)Time spent groomingVPA increased total grooming time
Kim et al. [12]Typical cage10 min to new cage10 minReal-time 2 meters from cageGrooming and diggingVPA increased digging. No difference for grooming
Kang and Kim [14]Fresh bedded home cage in novel environment72-hour isolation10 minManual from recordingGrooming time, jumping bouts, diggingVPA increased grooming time and jumping bouts
Kang and Kim [14]48-hour movements in familiar environment48-hour isolation48 hoursVibration sensitive plate LABORAS cageDistance moved, grooming time, total rearing timeNo difference between VPA and saline
Campolongo et al. [16]Clear plexiglass cylinder1-hour habituation for 2 days before testing10 minManual from recording, condition blindGrooming of all body regionsEffect of VPA treatment on grooming