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. Author manuscript; available in PMC: 2009 Feb 1.
Published in final edited form as: Neurobiol Dis. 2007 Sep 7;29(2):242–253. doi: 10.1016/j.nbd.2007.08.017

Fig. 9.

Fig. 9

Averaged PLR vs. time curves from 24-month-old Cln3-/- (n=4) and from age-matched wild-type (n=5) mice. Black blocks over the time axis represent the duration of light stimulation and the numbers indicate the stimulus intensities (log cd/m2). The Cln3-/- mice exhibited decreased and sluggish PLRs.