How it works

A truly integrated cognitive assessment
test

Step 1

A selection of natural images are shown to the participants

In the ICA test, several natural images are briefly shown to participants and they are asked to respond as quickly and accurately as possible to indicate whether they’ve seen a pre-specified image category.

Step 2

The task is a visual challenge

Images are first represented on the retina, then transferred to the early visual cortex

Step 3

The hierarchy of the visual cortex is engaged in quick succession

From the early visual cortex, image representations ascend the hierarchy of the visual cortex to intermediate and then higher visual areas where a percept of the presented image is formed.

Step 4

Images are translated to movement in the motor cortex

The motor cortex is engaged to prepare for an appropriate motor response such as press a yes/no button.

Step 5

Evaluations are based on comparison with an accurate dataset

Artificial intelligence algorithms are used to cluster test performance in terms of accuracy, speed and image properties.

Step 1

A selection of natural images are shown to the participants

In the ICA test, several natural images are briefly shown to participants and they are asked to respond as quickly and accurately as possible to indicate whether they’ve seen a pre-specified image category.

Step 2

The task is a visual challenge

Images are first represented on the retina, then transferred to the early visual cortex

Step 3

The hierarchy of the visual cortex is engaged in quick succession

From the early visual cortex, image representations ascend the hierarchy of the visual cortex to intermediate and then higher visual areas where a percept of the presented image is formed.

Step 4

Images are translated to movement in the motor cortex

The motor cortex is engaged to prepare for an appropriate motor response such as press a yes/no button.

Step 5

Evaluations are based on comparison with an accurate dataset

Artificial intelligence algorithms are used to cluster test performance in terms of accuracy, speed and image properties.

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