In the episode "Fusion", when Tolaris does the mind meld with T'pol, she resists, then submits. But, the emotions seem overwhelming.

Memory-alpha says

Another side-effect was the transfer of emotion. When Spock melded with James T. Kirk of the alternate reality, both seemed emotionally affected by the experience and Spock apologized, explaining that emotional transference was a side-effect of the melding process. (Star Trek) Indeed, melding created a strange sense of euphoria in the participants. (TOS: "Dagger of the Mind")

So, was she affected by the emotions of Tolaris, who seemed pretty agitated/excited? Or was it her own emotions that overwhelmed her?

In other Star Trek series' mind meld is shown as something Vulcan's seem to know a great deal about. While, T'pol seems ignorant of it. Is there a back history of how mind-meld became common?

I am watching the series for the first time. Will look into links, not minding spoilers.

  • 1
    Given that she already knows her own emotions it makes sense that the new emotions would be what primarily affect her. As I recall, around that episode T'pol also develops a disease/condition from the mind meld which was the primary reason for the Vulcan's looking down upon the communities that engaged in the practice of mind melding. More recently in Spock's time (either timeline) mind melds are more accepted, but I don't think we ever learn anything about the Vulcan people finding a cure or just generally accepting mind melds as common practice. Obviously something would have happened though
    – Odin1806
    Commented Feb 28, 2019 at 16:56
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    Enterprise actually addresses this question in season 4. Starting with episode 7 "The Forge." I haven't watched the episode in a long time to give a good synopsis, but that episode and the two after it deal heavily with mind melds and their place in Vulcan culture.
    – Alarion
    Commented Feb 28, 2019 at 17:16
  • Ahh, forgot about that. Thanks.
    – Odin1806
    Commented Feb 28, 2019 at 17:27
  • I am not so sure she knows her emotions, for Tolaris seems to be explaining each emotion to her, every step of the scene that she re-lives in the club. Commented Feb 28, 2019 at 18:13

1 Answer 1


If you're watching Enterprise for the first time: just keep watching.

If you don't mind spoilers, then the Wikipedia article on T'Pol (emphasis mine) explains it pretty well.

T'Pol, who is described by her superiors as a maverick and a rebel, became fascinated with Tolaris, a member of a group of emotionally free Vulcans encountered during the first year of the Enterprise's mission. Tolaris introduced her to the concept of the mind meld, which at the time was considered a taboo activity among Vulcans. She severed her relationship with Tolaris after she asked him to stop the mind meld and he refused, attempting to continue the meld without her consent (essentially a form of mental rape), and causing her to forcefully break the link. She later learned that she had contracted Pa'nar Syndrome from the encounter. This condition was kept in check with medication. In 2154, T'Pol, who had been told that Pa'nar was an incurable virus, learned that the condition was in fact caused by an improperly trained melder, and contrary to what the intolerant (and soon to be overthrown) Vulcan High Command had decreed, it was indeed curable by the touch of an experienced mind – provided to T'Pol by T'Pau.

T'Pol was told that she is genetically incapable of initiating mind melds herself, however following the 2154 overthrow of the Vulcan regime that stigmatized mind-melding she learned otherwise. She performed her first mind meld upon Hoshi Sato, with the assistance of Jonathan Archer, who had learned details about mind melds during a period of time when he held the katra of Surak.

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