What is the distinction between the caus and the manner of death

The manner of  death is how the  death came about. A natural death occurs as a result of aging, illness, or disease. ... A homicide occurs when death is caused by another person.

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

Sorry i dont understand the question can you rephase it?