behavior — anxiety         hole board test   Lake3 frequency of behavioral displacement [n]         • stretch attends  • grooming episodes  • fecal boli  • urine puddles  23 strains   age 8-9wks   B6.A consomic   behavior — balance and coordination         rotarod   Lake3 rotarod habituation, latency to fall from stationary rotarod [s]         • T1  • T2  • T3    • trial comparison   23 strains   age 8-9wks   B6.A consomic Lake3 latency to fall from 4 rpm rotarod [s]         • T1  • T2  • T3    • trial comparison   23 strains   age 8-9wks   B6.A consomic Lake3 latency to fall from accelerating (60 rpm/min) rotarod [s]         • T1  • T2  • T3    • trial comparison   23 strains   age 8-9wks   B6.A consomic   behavior — exploratory         hole board test   Lake3 latency to visit perimeter, 5 min test   [s] 23 strains   age 8-9wks   B6.A consomic Lake3 frequency of exploratory behavior [n]         • arena entries  • head dunks  • hole visits  23 strains   age 8-9wks   B6.A consomic   behavior — locomotor activity         hole board test   Lake3 frequency of motor activity [n]         • arena rearings  • perimeter rearings  • line crossings  • total activity  23 strains   age 8-9wks   B6.A consomic   muscle — skeletal — function         grip strength   Lake3 grip strength, peak tension over 3 trials [g]         • mean  • maximum  23 strains   age 8-9wks   B6.A consomic

Number of mice tested per strain, for each measurement