Instead of relaxing and enjoying the sensations of sexual pleasure, sotha is distant from the activity, watching himself and focusing on the goal of reaching an erection. instead of being an aroused participant, sotha has become a judge and an observer. he is experiencing what is known as:

Sotha is experiencing what is known as erectile dysfunction.

Explanation: It has been mentioned in the case statement that Sotha is focusing on getting an erection rather than getting involved in the activity. This elaboration indicates that Sotha is not engaged in the activity merely because he has erectile dysfunction which does not allow him to be sexually active. His decision of being an observer would be in line with his inability, not his choice.

the use of electrical signals that transit messages is know as

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.