Eric notices that his flashlight does not turn on when he flips the switch. what is the least appropriate hypothesis for eric to make?

Least appropriate  hypothesis would be If the flashlight is not turning on then it must be broken

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