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. 2011 Oct 1;214(19):3173–3185. doi: 10.1242/jeb.058131

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Fig. 6. — Distance in body lengths (BL, averaged across three 10 s intervals) traveled after touch in free-swimming squid indicates differences in the development of tactile and visual sensitization. (A) In non-blindfolded squid (N=8 injured, N=10 sham treated) there was an increase in distance among injured squid apparent between 1 and 6 h after injury, depending on the body area touched. (B) In pseudo-blindfolded squid (N=5 injured, N=5 sham treated) the same general pattern was apparent. (C) In blindfolded squid (N=8 injured, N=7 sham treated) touch of the injured arm produced an elevated response 10 min after injury, indicating site-specific tactile sensitization arising earlier near the site of injury than at other sites. Squid schematic diagrams show the site of stimulation for each test. Pre., pre-test prior to injury.