金牌原創(chuàng)]cognitiveneuroscience-展示頁(yè)
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【正文】 gue verbal terms specific ? Provides explanations ? Obtain quantitative predictions – just as meteorologists use puter models to predict tomorrow’s weather, the goal of modeling human behavior is to predict performance in novel settings Neural Networks ? Alternative to traditional information processing models – Also known as: PDP (parallel distributed processing approach) and Connectionist models ? Neural works are works of simple processors that operate simultaneously ? Some biological plausibility S Idealized neurons (units) Output Processor Inputs Abstract, simplified description of a neuron Different ways to represent information with neural works: localist representation concept 1 concept 2 concept 3 Each unit represents just one item ? “grandmother” cells 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 (activations of units。 0=off 1=on) Each unit is involved in the representation of multiple items Advantage of Distributed Representations ? Efficiency – Solve the binatorial explosion problem: With n binary units, 2n different representations possible. (.) How many English words from a bination of 26 alphabet lett
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