Purchase Solution

Narcolepsy causes are debated.

Not what you're looking for?

Ask Custom Question

Do you know what might cause narcolepsy?

Purchase this Solution

Solution Preview

The exact cause of narcolepsy has yet to be determined; however, researchers do know that infection can be a trigger that leads to damage to certain brain cells that present Hypocretin, an important chemical in the brain that helps regulate ...

Purchase this Solution


Free BrainMass Quizzes
Role of Memory in Learning

This quiz addresses the role of memory in the learning process. The quiz differentiates between the different types of memory that facilitate learning.

Theories of Work Motivation

This quiz tests the student's understanding of the major theories of work motivation from an organizational behavior perspective.

The Psychology of Sleep

This quiz is to check your understanding of the sleep-related part of psychology.

Erik Erikson's Psychosocial Stages

Erik Erikson researched eight stages of psychosocial development beginning at birth and ending at death. This quiz challenges your knowledge of each stage, the corresponding age range, and the conflicts present during each stage.

Piaget's Theories on Development

Do you know all about Piaget's theories on development? Find out with this quiz!