protocol_27

Protocol_27.m - Screen protocol 2 - updated 10th March 2025 Based on protocol 24 Includes: - off background interval - pattern 47 - 60 deg gratings - 2 speeds - thin non50:50 bars - 2 speeds - curtains - fast - on / off - 32px not 16 px - reverse phi - 2 speeds - flicker - 1 speed - stationary grating pattern - 60 deg - stationary bar - on - phototaxis - 32px - shifted centre of rotation - 60 deg - 0.8 20s interval 30s trial duration - 2x trials stationary bars = 60s only one position

Protocol Parameters

Parameter Value
Conditions 12
Patterns Used 12
t_acclim_start 300s
t_acclim_end 30s
t_interval 20s
t_flash 5s
t_pause 0.01

Conditions

# Pattern Speed Duration Description
1 Pattern 9 127 15s 60 deg gratings - 4Hz - 1 px step pattern
2 Pattern 27 127 15s 60 deg gratings - 8Hz - 2px step pattern
3 Pattern 17 127 15s 2:14 ON bars - 4Hz
4 Pattern 24 127 15s 2:14 OFF bars - 4Hz
5 Pattern 51 127 15s ON curtains - 8Hz - 32 px
6 Pattern 52 127 15s OFF curtains - 8Hz - 32 px
7 Pattern 60 32 15s Reverse Phi - 16px bar - 8px step
8 Pattern 60 64 15s Reverse Phi - 16px bar - 8px step
9 Pattern 10 8 15s Flicker - 4Hz
10 Pattern 10 0 15s static grating - 60deg
11 Pattern 21 127 15s shifted centre of rotation - 60deg - 0.8
12 Pattern 57 1 45s bar fixation - 32px ON - single bar

Pattern Previews

Pattern 9

Pattern 10

Pattern 17

Pattern 21

Pattern 24

Pattern 27

Pattern 47

Pattern 51

Pattern 52

Pattern 57

Pattern 60