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Welcome to our Message Board. Our topic is the inheritance of personality traits. Our premise is that some character traits are determined by genetics, and these traits can be traced in a family pedigree. This Board is hosted by Donna Hobgood, M.D.(USA), Ben Gibson (Australia) and A.M. Benis, Sc.D., M.D. (USA). The board focuses on NPA personality theory, by which the three major heritable character traits are Sanguinity (narcissism), Perfectionism and Aggression, but you need not subscribe to any particular theory to post on this Board. Personal accounts relating personality to social interaction, occupation, LGBT, etc. are welcome. No password is required, but inappropriate postings will be deleted.

Quiz: Can you find eight different NPA character types in the image above?

The NPA personality test: take the test here.

Geographic distribution of NPA types: see the map here.

NPA personality theory in images: here.

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EST April 23, 2026, 7:28 am

Trait aggression & gene associated with protection from schizophrenia - ABenis June 12, 2011, 9:56 pm 5-HTT as a candidate gene for trait perfectionism - ABenis June 20, 2011, 11:11 am Protection from schizophrenia in the NPA model - ABenis September 28, 2011, 8:43 pm Entanglement in a case-control study - ABenis December 23, 2011, 4:56 pm The R score and "disordered thinking" - ABenis February 29, 2012, 7:56 pm John ternus - Donna Hobgood April 20, 2026, 6:41 pm Ghalibof - Donna Hobgood April 11, 2026, 4:35 pm John Wayne mullin - Donna Hobgood April 3, 2026, 7:56 pm Ghalebaf - Donna Hobgood March 29, 2026, 9:54 pm Friendship fizzle between N and PA types - Ben March 28, 2026, 5:56 am Fetterman - Donna Hobgood March 25, 2026, 9:57 pm Persian habitancy - Donna Hobgood March 20, 2026, 8:27 pm 10 year old Japanese scientist: NP type...or NPA- type? - Ben March 19, 2026, 8:22 am Non-sanguinity in Russian martial arts - Ben March 15, 2026, 9:22 pm Haiku - Ben March 13, 2026, 3:27 am General petreas - Donna hobgood March 12, 2026, 7:38 am Actor Danny Huston - Pseudo non-sanguinity in an acting role - Ben March 12, 2026, 6:03 am English scientist Henry Cavendish (1731-1810) - a probable NPA= type - Ben March 12, 2026, 12:31 am Re: English scientist Henry Cavendish (1731-1810) - a probable NPA= type - ABenis March 22, 2026, 1:24 pm Re: English scientist Henry Cavendish (1731-1810) - a probable NPA= type - Ben March 22, 2026, 5:50 pm Admiral Brad Cooper - Donna Hobgood March 5, 2026, 5:25 pm Performing arts - crew with a singular non-sanguine type (Serbia) - Ben February 27, 2026, 9:56 pm Gavin newsome - Donna Hobgood February 25, 2026, 5:13 pm Re: Gavin newsome - Ben February 25, 2026, 9:58 pm Re: Gavin newsome - Donna Hobgood March 5, 2026, 5:29 pm Epstein - Donna Hobgood February 22, 2026, 2:40 pm Andrew - Donna Hobgood February 19, 2026, 8:59 pm Gene for temperament score - Donna Hobgood February 11, 2026, 11:58 am Guthries - Donna Hobgood February 8, 2026, 9:35 pm Re: Guthries - Julius February 10, 2026, 10:52 pm The Crusades: Raynald of Châtillon - a probable A type - Ben February 3, 2026, 7:27 am Adam sandler - Donna Hobgood February 2, 2026, 6:54 pm Re: Adam sandler - Ben February 3, 2026, 7:45 am Musical duets: NPA- x NPA+ - Ben February 1, 2026, 9:02 am Salmon rushdie - Donna Hobgood January 31, 2026, 9:13 am Re: Salmon rushdie - Ben February 3, 2026, 7:30 am NPA+ financial analyst - Ben January 30, 2026, 2:38 am Alex pretti - Donna Hobgood January 25, 2026, 1:49 pm Re: Alex pretti - Julius January 31, 2026, 8:01 am Young inventor/entrepeneur - NPA+ type - Ben January 23, 2026, 10:24 pm Founding fathers query - Thomas Paine - Ben January 19, 2026, 7:41 pm Re: Founding fathers query - Thomas Paine - Donna Hobgood January 25, 2026, 1:53 pm Re: Founding fathers query - Thomas Paine - Ben January 25, 2026, 4:58 pm Carl reiner - Donna Hobgood January 15, 2026, 9:25 pm Mayor Frei of. Minneapolis - Donna Hobgood January 14, 2026, 8:40 pm "Phillip Blake" - Julius January 13, 2026, 10:00 pm Marco rubio - Donna Hobgood January 6, 2026, 6:18 pm Re: Marco rubio - Julius January 12, 2026, 12:05 pm Re: Marco rubio - Duke February 17, 2026, 7:57 pm Celia flores - Donna Hobgood January 5, 2026, 12:36 pm Gender effects on personality - Donna Hobgood January 3, 2026, 4:55 pm EU president - Donna Hobgood December 26, 2025, 9:27 pm Santa Claus and Haddon Sundblom - Ben December 22, 2025, 4:59 am Re: Santa Claus and Haddon Sundblom - ABenis December 26, 2025, 4:11 pm Re: Santa Claus and Haddon Sundblom - Ben March 14, 2026, 10:19 am Genetics of schizophrenia - Donna Hobgood December 20, 2025, 10:46 am Murders in the news - Donna Hobgood December 16, 2025, 5:48 pm Happy Holidays to the NPA Board - D_Katana December 15, 2025, 8:06 am Re: Happy Holidays to the NPA Board - ABenis December 15, 2025, 9:59 pm Re: Happy Holidays to the NPA Board - Ben December 16, 2025, 4:26 am Re: Happy Holidays to the NPA Board - Duke February 17, 2026, 8:01 pm Re: Happy Holidays to the NPA Board - Ben February 18, 2026, 3:32 am Re: Happy Holidays to the NPA Board - Ben December 16, 2025, 4:32 am Re: Happy Holidays to the NPA Board - Donna Hobgood December 16, 2025, 5:51 pm Malcolm in the Middle: NPA+ types, typecasting - Ben December 13, 2025, 5:56 am Machado - Donna Hobgood December 12, 2025, 6:44 pm Stallone - Donna Hobgood December 8, 2025, 10:41 pm Michael Dell - Donna hobgood December 3, 2025, 9:09 am Van Epps - Donna Hobgood December 2, 2025, 11:03 pm Non-sanguine criminal - Ben December 1, 2025, 6:27 pm

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