Score | Operational Description of Stimulus Required to Elicit a Behavioral Responsea |
---|---|
Sedation scale (home cage or chaired subjects) | |
0 | No observable sedation, subject is alert to environmentb |
1 | Subject is attentive to ordinary movements of observerc |
2 | Subject responds to loud noise in room (one hand clap) |
3 | Subject responds only to opening of cage latch (home cage studies) or knocking on chair (chaired studies) |
4 | Subject responds only to loud noise 3 feet away from its head |
5 | Subject responds only to touch |
6 | Subject does not respond to touch |
Postural relaxation score (home cage only) | |
0 | No observable facial or whole-body relaxation |
1 | Slight facial relaxation (including jaw slackening) or shoulder droop |
2 | Pronounced facial relaxation (including jaw slackening) or shoulder droop |
3 | Subject braces itself to sit up |
4 | Subject does not sit up |