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<html>
<head>
<title>Three.js - Brain Fiber Tractography Task</title>
<link rel=stylesheet href="css/index.css"/>
</head>
<body>
<div class="bigTitle">Brain Fiber Tractography Task</div>
<hr/>
• <a class="toc" href="#Training">Training</a>
• <a class="toc" href="#FA">FA tractography Task</a>
• <a class="toc" href="#Tumor area Task">Tumor area Task</a>
• <a class="toc" href="#Lesion Area task">Lesion Area task</a>
• <a class="toc" href="#Tube Orientation Task">Tube Orientation Task</a>
• <a class="toc" href="#Same Bundle Task">Same Bundle Task</a>
<hr/>
<br/>
<br/>
<div class="fancy">
<a name="Training"></a>
<a href="brainTractography-----Training.html" target="_blank">
<img src="html-images/Training.png" class="superImage" />
<br/>Training</a>
<p class ="superText"> Here, participants will be shown a color-encoded 3D brain DMRI model that are consisted of
5 representative fiber bundles, which are corpus callosum (CC[red color bundle], interhemispheric fibers), cingulum bundles CG[Green color bundle], (ventral-dorsal oriented),
corticospinal tract (CST[blue color bundle], cranial-caudal oriented), ILF[Cyan] (interior longitudinal
occipitotemporal fasciculus, anterior to posterior), and IFO[yellow](inferior frontaloccipital fasciculus, anterior to posterior to lateral)
</p>
</div>
<div class="fancy">
<a name="FA"></a>
<a href="brainTractography----FA_task.html" target="_blank">
<img src="html-images/FA.png" class="superImage" />
<br/>FA tractography Task</a>
<p class ="superText"> In this task, participants will be shown two boxes embedded in a FA color-encoded 3D brain DMRI model.
The FA color map is shown on the right: the redder the color, the higher the FA value. The two boxes give the participants
hits for comparison the FA value or average FA value. Participants are asked to encode FA value information in the drawing
for easily comparing the FA or average FA value in certain areas and they are also told the boxes are located in one of the
five bundles (dataset information). We call this a local visualization task, because participants just need to examine only
the tubes around the certain area (box).
<br/>Thus, we just need to offer one fiber bundle of DMRI dataset, and we randomly generate one from the five major fiber bundles dataset.
</p>
</div>
<div class="fancy">
<a name="Tumor area Task"></a>
<a href="brainTractography-----Tumor_Area_task.html" target="_blank">
<img src="html-images/tumor.png" class="superImage" />
<br/>Tumor area Task</a>
<p class ="superText"> In this task, participates will be shown a sphere embedded in a 3D brain DMRI model.
The sphere just serves as a hint to tell participates the tumor position. Participates are asked to encode
tumor position and the distance from the tumor area with the surrounding and they are also told the tumor is
placed randomly in the dataset. We call this a local visualization task because participants only need to
examine the tubes around the sphere (tumor).
<br/>So we randomly generate one from the 5 major fiber bundles dataset.
</p>
</div>
<div class="fancy">
<a name="Lesion Area task"></a>
<a href="brainTractography-----LesionArea_task.html" target="_blank">
<img src="html-images/lesion.png" class="superImage" />
<br/>Lesion Area task</a>
<p class ="superText"> In this task, participates will be shown a box embedded in a 3D brain DMRI model.
There are no tubes inside the box which represents the lesion area. The box just serves as hint to
help participates find the lesion area. Participates are asked to encode the position of the lesion area and
they are also told the lesion are located in one of the five bundles, the box is randomly located according
to the dataset we choose. We call this a global visualization task because participants are required to examine
the whole fiber bundle to find the lesion area.
<br/>So we randomly pick up one of the five major fiber bundles’ dataset.
</p>
</div>
<div class="fancy">
<a name="Tube Orientation Task"></a>
<a href="brainTractography-----Tracing_task.html" target="_blank">
<img src="html-images/Tracing.png" class="superImage" />
<br/>Tube Orientation Task</a>
<p class ="superText"> In this task, participate will be showed three boxes embedded in a 3D brain DMRI
model and with a set of yellow sphere marks textured in some endpoints of tubes. Participates are asked to
convey the orientation information in the drawing. The yellow spheres show the starting point, while the three
boxes represent the possible endpoints, those hints give the participants the goal of their encoding,
we gives the right answer with one box has yellow spheres. We call this a global visualization task because
it requires participants to visual scanning from the start point of a bundle to a series of endpoints, and
it also needs to compare with the neighboring information.
<br/>So we choose the whole brain dataset or with the combining of three or four fiber bundles.
</p>
</div>
<div class="fancy">
<a name="Same Bundle Task"></a>
<a href="brainTractography----SameBundleTask.html" target="_blank">
<img src="html-images/sameBundle.png" class="superImage" />
<br/>Same Bundle Task</a>
<p class ="superText"> In this task, participate will be showed a 3D brain DMRI model with some fiber tracts
marked in yellow. Participates are asked to convey the fiber bundle information in the drawing. The yellow
fiber bundles is possible from the same bundle. About 50% of the data are in the same bundle and 50% are not.
Their drawing could separate the five major fiber bundles, so that we could easy to judge the same bundle.
We call this a global visualization task because it requires participants to visual scanning of the whole
dataset to compare their similarity.
<br/>So we choose the whole brain dataset with the five major fiber bundles.
</p>
</div>
</body>
</html>