Definitions of parameters:
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turn_avoid_light: 0 = success in light avoidance, 1 = fail in light avoidance
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body_edge_angle: angle between the line of midpoint-tail and the line linking the two points on smoothed light spot edge closest to midpoint and tail
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distance_head_start: distance between head and the closed point on smoothed light spot edge when stop period begins
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distance_head_finish: distance between head and the closed point on smoothed light spot edge when stop period ends
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turn_headomega_peaks: peak values of headomega within a stop period
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prop_turn: number of head casts within a stop period
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still_starts: the frame number when stop period begins
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still_ends: the frame number when stop period ends
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frame_headomega_zero: the frame number that headomega value drops to zero after a peak
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distance_headomega_zero: the head-to-light_spot_edge distance at the frame that headomega drops to zero (Frame_headomega_zero)
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distance_headomega_zero_first: the head-to-light_spot_edge distance for the first Frame_headomega_zero within a stop period
Datas:
Raw datas are avalible on this.
Reference:
Gomez-Marin, Alex, et al. "Automated tracking of animal posture and movement during exploration and sensory orientation behaviors." PloS one 7.8 (2012): e41642.