If the results of a study do not support a hypothesis, it means that the experiment failed. is this true or false

Not exactly. A hypothesis is an educated guess made based on observations and prior knowledge of the subject. The hypothesis can always be wrong and the experiment completely valid, it just means that something about your observations doesn't line up with the hands on project.

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

The chemical bubbles