neural network articles
What mathematical theorem summarizes the foundation of a neural network's ability to model complex relationships?
According to the UAT, what must the activation function be to grant a network universal approximation power?
What limitation occurs if the activation function used in a network were only a simple polynomial?
What is a key structural prerequisite for the standard feedforward network described by the UAT?
How does a single neuron, utilizing a non-linear activation, function conceptually within the network's approximation process?
What specific type of region must the input domain belong to for the UAT to guarantee approximation of any continuous function?
What advantage does network depth (multiple hidden layers) offer over extreme width in a shallow network?
What does the UAT guarantee regarding the process of finding the specific weights and biases?
What common optimization challenge can prevent gradient descent from reaching the desired level of accuracy specified by the UAT?
If a function exhibits chaotic, infinitely oscillating behavior, how does this affect the network's approximation?
How is the overall success of a neural network approximation measured according to the text?
Which structure provides the majority of the eye's light refraction power?
Which substance fills the main cavity of the eye after light passes the lens?
Approximately how many rods are found in the human eye?
What specific function do cones handle that rods cannot?
What is the photopigment contained within the rod photoreceptors?
In the dark, what state are retinal photoreceptors maintained in?
What molecular event initiates the signal cascade when light strikes rhodopsin?
What electrical change occurs in the photoreceptor when light causes sodium channels to close?
What is the essential signal transmitted to the bipolar cells when light causes glutamate release to cease?
Which retinal cells are responsible for generating true action potentials used for long-distance communication?
What is the structure in the thalamus that functions as the initial relay station after the optic nerve?