correlation and causation
"Some pre transition male to female transsexuals experience cross gender arousal ergo the arousal causes a false claim of identity" This is the bedrock claim made by the apostles of the Autogynephilia theory. An analogy which could be made would be:"every time I see lightning I hear thunder ergo lightning causes thunder" a claim which is incorrect for at best they are correlated (you can look that up). You see, correlation is not necessarily causation. This is science 101. Lack of proof is the problem with AGP and the only way to settle things would be to provide a definite explanation and causation for the arousal; something which no one has been able to do thus far. Therefore it is just as convenient for we transgender people to claim that cross gender arousal is a symptom of dysphoria: a statement which is just as plausible and far more likely given our early childhood identification. To state that the Autogynephilia theory is based on science is clearly