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<p>and <a href="page.php?w=neural_network">neural network</a> models.</p>

<p><big>Symbolic</big></p>
<p>A symbolic model is expressed in characters, usually non-numeric ones, that require translation before they can be used.</p>

<p><big>Subsymbolic</big></p>
<p>A cognitive model is subsymbolic if it is made by constituent entities that are not representations in their turn, e.g., pixels, sound images as perceived by the ear, signal samples; subsymbolic units in neural networks can be considered particular cases of this category.</p>

<p><big>Hybrid</big></p>
<p>Hybrid computers</p><p>
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