Biological Neural Networks in the 19th Century
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Questions and Answers

What key concept did Santiago Ramón y Cajal and Wilhelm Waldeyer contribute to modern neuroscience?

  • Introduction of the Perceptron model
  • Discovery of the McCulloch-Pitts Neuron
  • Identification of individual cellular entities known as neurons (correct)
  • Development of backpropagation in neural networks
  • Who is often referred to as the Father of Modern Neuroscience?

  • August Forel
  • Santiago Ramón y Cajal (correct)
  • Wilhelm Waldeyer
  • Max Schultze
  • In the context of feedforward neural networks, what characterizes their signal flow?

  • Signals move only from the output layer to the input layer
  • Feedback connections are present in the network
  • Signals propagate bidirectionally between layers
  • There are no recurrent paths in the network (correct)
  • Which scientist's work was published posthumously in 1865 regarding describing nerve cells?

    <p>Max Schultze</p> Signup and view all the answers

    What significant introduction did Frank Rosenblatt make to the McCulloch-Pitts Model?

    <p>He added learning capabilities, creating the Perceptron</p> Signup and view all the answers

    Who is credited with producing the first clear evidence that the brain is composed of individual cells called neurons?

    <p>Santiago Ramón y Cajal</p> Signup and view all the answers

    Which event in 1962 strengthened the future of deep learning by introducing backpropagation with a derivative chain rule?

    <p>Stuart Dreyfus' presentation of backpropagation with Chain Rule</p> Signup and view all the answers

    In what year did Wilhelm Waldeyer synthesize Cajal's work with the cell theory to form the 'neuron doctrine'?

    <p>1891</p> Signup and view all the answers

    What concept did Henry J. Kelley introduce in 1960 that laid the groundwork for further refinements in deep learning?

    <p>The first continuous backpropagation model</p> Signup and view all the answers

    What did Cajal believe neurons served as?

    <p>Storage units for mental impressions</p> Signup and view all the answers

    What was NOT a characteristic of the McCulloch-Pitts Neuron as proposed in 1943?

    <p>True learning capabilities with binary classification</p> Signup and view all the answers

    Which scientist combined ideas from other researchers to form the 'neuron doctrine'?

    <p>Wilhelm Waldeyer</p> Signup and view all the answers

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