Ventrobasal Thalamus Necessary for Visually-Released Defensive Boxing of Rat

Table 1: Sequence of Experimental Procedures

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Bilateral or sham Lesion Animals (16 rats)				Unilateral Lesion Animals (4 rats)
1a.	Preop shockfighting (8 'experienced'animals)	1b.	No preop shockfighting (8 'naive' animals)	1a.	Preop shockfighting (1 'experienced animal)	1b.	No preop shockfighting (3 'naive' animals
2.	Brain lesion placed (3 day wait)			2.	Brain lesion placed (3 day wait)
3.	Initial postop shock-induced fighting			3.	Initial postop shock-induced fighting
4.	No comparable procedure			4.	One eye sutured closed under halthane anesthesia (1 day wait)
5.	Face anesthetized under Halothane anesthesia (30 min wait)			5.	Face anesthetized under Halothane anesthesia (30 min wait)
6.	Shock-induced fighting under sensory deprivation			6.	Shock-induced fighting under sensory deprivation
7-9.	No comparable procedures			7-9.	As 4-6 except that opposite eye was closed (1 day wait)
10.	Final postop shock-induced fighting			10.	Final postop shock-induced fighting