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. 2018 Sep 20;7:e36401. doi: 10.7554/eLife.36401

Table 2. Definitions of behavioral metrics.

# Measure Description Quantification Direction indicating
impairment
Elevated Plus Maze metrics (EPM_)
 1 Commitment Full entrances to the open arms (EntrOfull) relative to sum of full entrances and jittery entrances to the open arms (EntrOjitter)
EntrOfullEntrOfull+ EntrOjitter

experimental < controls
 2 Distance Distance traveled (cm) during the ten minutes in the Elevated Plus Maze

EPMdistance

experimental < controls
 3 Exploration Entrances Entrances into the crossroads central area

Entrcentral

experimental < controls
 4 Exploration Time Time in the crossroads central area

Timecentral

experimental < controls
 5 Open-Arm Preference Time in the open arms (Timeopen) relative to total time in closed (Timeclosed)and open arms

TimeopenTimeclosed+Timeopen

experimental < controls
Grooming metrics (GR_)
 6 Grooming Ratio Difference betweenaverage grooming bout length in CNO (AVGCNO) and SALINE condition (AVGsaline) relative to SALINE condition

AVGsaline  AVGCNO AVGsaline


experimental > controls
Social Chamber metrics (SC_)
 7 Baseline Distance Distance traveled (m) during baseline phase (10 min free exploration of the empty social chamber apparatus)

BSdistance

experimental < controls
 8 Novelty-Seeking Difference between summed entrances to mouse (EntrM) and object (EntrO) chambers in test (test) and baseline (bs) sessions, relative to baseline session

((EntrMbs +EntrObs)    (EntrMtest +EntrOtest)) (EntrMbs +EntrObs)



experimental < controls
 9 Social Preference Time spent interacting with the novel mouse (TimeNearM ) relative to total time interacting with either the novel mouse or novel object (TimeNearO )

TimeNearMTimeNearM + TimeNearO 


experimental < controls
 10 Test Distance Distance traveled (m) during test phase (10 min exploration of the social chamber apparatus with the novel mouse and object present)

Testdistance


experimental < controls
Y-maze metrics (YM_)
 11 Final Learning Mean of the percent correct trials in acquisition sessions 3 (ACQS3) and 4 (ACQS4)

ACQS3 + ACQS4 2


experimental < controls
 12 Initial Learning Percent correct trials in acquisition
session 1 (ACQS1)

(ACQS1)

experimental < controls
 13 Multisession Learning Slope of the linear regression of acquisition
sessions 1 (ACQS1), 2 (ACQS2), and 3 (ACQS3)
linear regression slope of
(ACQS1; ACQS2; ACQS3)
experimental < controls
 14 Distance Combined distance swum (m) in the three habituation trials (HAB1, HAB2 and HAB3) (60 s each) of free swimming in the empty Y-maze apparatus HAB1distance+ HAB2distance+ HAB3distance experimental < controls
 15 Final
Reversal 1
Mean of the percent correct trials in reversal day 1 sessions 3 (RD1S3) and 4 RD1S4

RD1S3+ RD1S4 2

experimental < controls
 16 Initial
Reversal 1
Percent correct trials in reversal day 1 session 1 (RD1S1)
RD1S1 experimental < controls
 17 Multisession Reversal 1 Slope of the linear regression of reversal day 1 sessions 1 (RD1S1), 2 (RD1S2) and 3 (RD1S3)
linear regression slope of
(RD1S1; RD1S2; RD1S3)
experimental < controls
 18 Final
Reversal 2
Mean of the percent correct trials in reversal day 2
sessions1 (RD2S1), 2 (RD2S2), 3 (RD2S3) and 4 (RD2S4)

RD2S1+ RD2S2 + RD2S3 + RD2S4 4

experimental < controls
 19 Initial
Reversal 2
Percent correct trials in reversal day 2 session 1 RD2S1 experimental < controls