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Author
Message
S F
S F
Associate Member
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Group: Forum Members
Posts: 15, Visits: 78
Hi,

We're trying to get a trial to display multiple stimuli in the same frame from different lists of pictures, and we want the index of the item selected from the second list to match the index of the item selected from the first list, so I used /select and .currentindex. There is no error but it only shows one image where we want it to display two.

Any tips appreciated!

<list near_1a1>
/ items = (picture.n_1a1_a, picture.n_1a1_b, picture.n_1a1_c, picture.n_1a1_d)
</list>

<list near_1a2>
/ items = (picture.n_1a2_a, picture.n_1a2_b, picture.n_1a2_c, picture.n_1a2_d)
/ select = list.near_1a1.currentindex;
</list>



<trial near_1a_1a>
/stimulusframes = [10= list.near_1a1, list.near_1a2]
/pretrialpause = 250
/response = timeout(4500)
</trial>
_____

<picture n_1a1_a>
/ items = ("1a1.png")
/hposition = counter.n_pos_h1.selectedvalue
/vposition = counter.n_pos_v1.selectedvalue
</picture>

<picture n_1a1_b>
/ items = ("1a1.png")
/hposition = counter.n_pos_h2.selectedvalue
/vposition = counter.n_pos_v2.selectedvalue
</picture>

<picture n_1a1_c>
/ items = ("1a1.png")
/hposition = counter.n_pos_h3.selectedvalue
/vposition = counter.n_pos_v3.selectedvalue
</picture>

<picture n_1a1_d>
/ items = ("1a1.png")
/hposition = counter.n_pos_h4.selectedvalue
/vposition = counter.n_pos_v4.selectedvalue
</picture>

a2
<picture n_1a2_a>
/ items = ("1a2.png")
/hposition = counter.n_pos_h1.selectedvalue
/vposition = counter.n_pos_v1.selectedvalue
</picture>

<picture n_1a2_b>
/ items = ("1a2.png")
/hposition = counter.n_pos_h2.selectedvalue
/vposition = counter.n_pos_v2.selectedvalue
</picture>

<picture n_1a2_c>
/ items = ("1a2.png")
/hposition = counter.n_pos_h3.selectedvalue
/vposition = counter.n_pos_v3.selectedvalue
</picture>

<picture n_1a2_d>
/ items = ("1a2.png")
/hposition = counter.n_pos_h4.selectedvalue
/vposition = counter.n_pos_v4.selectedvalue
</picture>



<counter n_pos_h1>
/ items = (12.5%, 37.5%, 12.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h2>
/ items = (87.5%, 62.5%, 87.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h3>
/ items = (87.5%, 62.5%, 87.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h4>
/ items = (12.5%, 12.5%, 37.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_v1>
/ items = (12.5%, 12.5%, 37.5%)
/ select = current (counter.n_pos_h1)
/ selectionrate = always
</counter>

<counter n_pos_v2>
/ items = (12.5%, 12.5%, 37.5%)
/ select = current (counter.n_pos_h2)
/ selectionrate = always
</counter>

<counter n_pos_v3>
/ items = (87.5%, 87.5%, 62.5%)
/ select = current (counter.n_pos_h3)
/ selectionrate = always
</counter>

<counter n_pos_v4>
/ items = (87.5%, 62.5%, 87.5%)
/ select = current (counter.n_pos_h4)
/ selectionrate = always
</counter>




Dave
Dave
Supreme Being
Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)Supreme Being (428K reputation)

Group: Administrators
Posts: 8.9K, Visits: 38K
S F - Friday, July 13, 2018
Hi,

We're trying to get a trial to display multiple stimuli in the same frame from different lists of pictures, and we want the index of the item selected from the second list to match the index of the item selected from the first list, so I used /select and .currentindex. There is no error but it only shows one image where we want it to display two.

Any tips appreciated!

<list near_1a1>
/ items = (picture.n_1a1_a, picture.n_1a1_b, picture.n_1a1_c, picture.n_1a1_d)
</list>

<list near_1a2>
/ items = (picture.n_1a2_a, picture.n_1a2_b, picture.n_1a2_c, picture.n_1a2_d)
/ select = list.near_1a1.currentindex;
</list>



<trial near_1a_1a>
/stimulusframes = [10= list.near_1a1, list.near_1a2]
/pretrialpause = 250
/response = timeout(4500)
</trial>
_____

<picture n_1a1_a>
/ items = ("1a1.png")
/hposition = counter.n_pos_h1.selectedvalue
/vposition = counter.n_pos_v1.selectedvalue
</picture>

<picture n_1a1_b>
/ items = ("1a1.png")
/hposition = counter.n_pos_h2.selectedvalue
/vposition = counter.n_pos_v2.selectedvalue
</picture>

<picture n_1a1_c>
/ items = ("1a1.png")
/hposition = counter.n_pos_h3.selectedvalue
/vposition = counter.n_pos_v3.selectedvalue
</picture>

<picture n_1a1_d>
/ items = ("1a1.png")
/hposition = counter.n_pos_h4.selectedvalue
/vposition = counter.n_pos_v4.selectedvalue
</picture>

a2
<picture n_1a2_a>
/ items = ("1a2.png")
/hposition = counter.n_pos_h1.selectedvalue
/vposition = counter.n_pos_v1.selectedvalue
</picture>

<picture n_1a2_b>
/ items = ("1a2.png")
/hposition = counter.n_pos_h2.selectedvalue
/vposition = counter.n_pos_v2.selectedvalue
</picture>

<picture n_1a2_c>
/ items = ("1a2.png")
/hposition = counter.n_pos_h3.selectedvalue
/vposition = counter.n_pos_v3.selectedvalue
</picture>

<picture n_1a2_d>
/ items = ("1a2.png")
/hposition = counter.n_pos_h4.selectedvalue
/vposition = counter.n_pos_v4.selectedvalue
</picture>



<counter n_pos_h1>
/ items = (12.5%, 37.5%, 12.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h2>
/ items = (87.5%, 62.5%, 87.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h3>
/ items = (87.5%, 62.5%, 87.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_h4>
/ items = (12.5%, 12.5%, 37.5%)
/ select = noreplace
/ selectionrate = always
</counter>

<counter n_pos_v1>
/ items = (12.5%, 12.5%, 37.5%)
/ select = current (counter.n_pos_h1)
/ selectionrate = always
</counter>

<counter n_pos_v2>
/ items = (12.5%, 12.5%, 37.5%)
/ select = current (counter.n_pos_h2)
/ selectionrate = always
</counter>

<counter n_pos_v3>
/ items = (87.5%, 87.5%, 62.5%)
/ select = current (counter.n_pos_h3)
/ selectionrate = always
</counter>

<counter n_pos_v4>
/ items = (87.5%, 62.5%, 87.5%)
/ select = current (counter.n_pos_h4)
/ selectionrate = always
</counter>




<trial near_1a_1a>
/stimulusframes = [10= list.near_1a1, list.near_1a2]
/pretrialpause = 250
/response = timeout(4500)
</trial>

is the problem: You basically can't call on multiple lists in a single frame in /stimulusframes like that, only one. Syntax should instead be something like this:

<trial near_1a_1a>
/ ontrialbegin = [
    trial.near_1a_1a.insertstimulusframe(list.near_1a1.nextvalue, 10);
    trial.near_1a_1a.insertstimulusframe(list.near_1a2.nextvalue, 10);
]
/ ontrialend = [
    trial.near_1a_1a.resetstimulusframes();
]

/pretrialpause = 250
/response = timeout(4500)
</trial>

Edited
Last Week by Dave
S F
S F
Associate Member
Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)Associate Member (163 reputation)

Group: Forum Members
Posts: 15, Visits: 78
Hi Dave, thanks so much! This is working great.



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