What type of electrochemical cell is it, and which metal reacts at the cathode

This has to be more specificbut the name of the cell is called a galvanic cell and cations react at the cathode. Hope this helps.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Okay this will take 1 hour okay dont forget me.