Perhaps you should try some spelling variations:
"mathematical models of cognitive processing and neural networks" » "mathematical models of cognitive modeling and neural networks"
"mathematic model of cognitive approaches and neural networks" » "mathematic model of cognitive approach and neural networks", "mathematical model of cognitive approaches and neural networks", "mathematics modeling of cognitive approaches and neural networks", "mathematische modell of cognitive approaches and neural networks"
"mathematical models of cognitive processes and neural networks" » "mathematical models of cognitive process and neural networks"

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