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. Author manuscript; available in PMC: 2008 May 29.
Published in final edited form as: Brain Res. 2007 Feb 28;1149:141–148. doi: 10.1016/j.brainres.2007.02.050

Fig 3.

Fig 3

Assessment of Acoustic startle stimuli-elicited ultrasonic vocalization in HR and LR. After a 5 min habituation period subjects were exposed to 24 discrete auditory pulses (105 dB, 20 msec) with the inter-trial interval of 30-45 sec. Vocalization latency (msec; A) and duration (msec; B) were measured in subjects vocalizing at least 60 ms. Values are means ± SEM (n=12/group). *Indicates significantly different from LR, Student’s t-test, P<0.05.