Quotethe answer is YES, it is biological ! Read below a sample of the many medical publications that document the biological basis of Gender Identity Dysphoria
Dr. Peky
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Results: 1 to 20 of 45
Select item 24617977
1.
Effects of Cross-Sex Hormone Treatment on Cortical Thickness in Transsexual Individuals.
Zubiaurre-Elorza L, Junque C, Gómez-Gil E, Guillamon A.
J Sex Med. 2014 Mar 11. doi: 10.1111/jsm.12491. [Epub ahead of print]
PMID: 24617977 [PubMed - as supplied by publisher]
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Select item 24391851
2.
Regional grey matter structure differences between transsexuals and healthy controls--a voxel based morphometry study.
Simon L, Kozák LR, Simon V, Czobor P, Unoka Z, Szabó Á, Csukly G.
PLoS One. 2013 Dec 31;8(12):e83947. doi: 10.1371/journal.pone.0083947. eCollection 2013.
PMID: 24391851 [PubMed - in process] Free PMC Article
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Select item 24070909
3.
On the quest for a biomechanism of transsexualism: is there a role for BDNF?
Fuss J, Biedermann SV, Stalla GK, Auer MK.
J Psychiatr Res. 2013 Dec;47(12):2015-7. doi: 10.1016/j.jpsychires.2013.08.023. Epub 2013 Sep 7.
PMID: 24070909 [PubMed - in process]
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Select item 23682909
4.
Men and women, so different, so similar: observations from cross-sex hormone treatment of transsexual subjects.
Gooren LJ, Giltay EJ.
Andrologia. 2013 May 19. doi: 10.1111/and.12111. [Epub ahead of print]
PMID: 23682909 [PubMed - as supplied by publisher]
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Select item 23433223
5.
Sex differences in verbal fluency during adolescence: a functional magnetic resonance imaging study in gender dysphoric and control boys and girls.
Soleman RS, Schagen SE, Veltman DJ, Kreukels BP, Cohen-Kettenis PT, Lambalk CB, Wouters F, Delemarre-van de Waal HA.
J Sex Med. 2013 Aug;10(

:1969-77. doi: 10.1111/jsm.12083. Epub 2013 Feb 22.
PMID: 23433223 [PubMed - in process]
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Select item 23019350
6.
Sex differences in the neurokinin B system in the human infundibular nucleus.
Taziaux M, Swaab DF, Bakker J.
J Clin Endocrinol Metab. 2012 Dec;97(12):E2210-20. doi: 10.1210/jc.2012-1554. Epub 2012 Sep 27.
PMID: 23019350 [PubMed - indexed for MEDLINE]
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Select item 22987018
7.
Intrinsic cerebral connectivity analysis in an untreated female-to-male transsexual subject: a first attempt using resting-state fMRI.
Santarnecchi E, Vatti G, Déttore D, Rossi A.
Neuroendocrinology. 2012;96(3):188-93. doi: 10.1159/000342001. Epub 2012 Sep 14.
PMID: 22987018 [PubMed - indexed for MEDLINE] Free Article
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Select item 22364652
8.
Alternating gender incongruity: a new neuropsychiatric syndrome providing insight into the dynamic plasticity of brain-sex.
Case LK, Ramachandran VS.
Med Hypotheses. 2012 May;78(5):626-31. doi: 10.1016/j.mehy.2012.01.041. Epub 2012 Feb 22.
PMID: 22364652 [PubMed - indexed for MEDLINE]
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Select item 22303774
9.
Am I my brain or my genitals? A nature-culture controversy in the hermaphrodite debate from the mid-1960s to the late 1990s.
Kraus C.
Gesnerus. 2011;68(1):80-106.
PMID: 22303774 [PubMed - indexed for MEDLINE]
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Select item 21618223
10.
Galanin neurons in the intermediate nucleus (InM) of the human hypothalamus in relation to sex, age, and gender identity.
Garcia-Falgueras A, Ligtenberg L, Kruijver FP, Swaab DF.
J Comp Neurol. 2011 Oct 15;519(15):3061-84. doi: 10.1002/cne.22666.
PMID: 21618223 [PubMed - indexed for MEDLINE]
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Select item 21503817
11.
Puberty suppression in a gender-dysphoric adolescent: a 22-year follow-up.
Cohen-Kettenis PT, Schagen SE, Steensma TD, de Vries AL, Delemarre-van de Waal HA.
Arch Sex Behav. 2011 Aug;40(4):843-7. doi: 10.1007/s10508-011-9758-9. Epub 2011 Apr 19.
PMID: 21503817 [PubMed - indexed for MEDLINE] Free PMC Article
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Select item 21448752
12.
Brief report: female-to-male transsexual people and autistic traits.
Jones RM, Wheelwright S, Farrell K, Martin E, Green R, Di Ceglie D, Baron-Cohen S.
J Autism Dev Disord. 2012 Feb;42(2):301-6. doi: 10.1007/s10803-011-1227-8.
PMID: 21448752 [PubMed - indexed for MEDLINE]
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Select item 20219285
13.
Cortical activation during mental rotation in male-to-female and female-to-male transsexuals under hormonal treatment.
Carrillo B, Gómez-Gil E, Rametti G, Junque C, Gomez A, Karadi K, Segovia S, Guillamon A.
Psychoneuroendocrinology. 2010 Sep;35(

:1213-22. doi: 10.1016/j.psyneuen.2010.02.010. Epub 2010 Mar 12.
PMID: 20219285 [PubMed - indexed for MEDLINE]
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Select item 19751389
14.
Neuroimaging differences in spatial cognition between men and male-to-female transsexuals before and during hormone therapy.
Schöning S, Engelien A, Bauer C, Kugel H, Kersting A, Roestel C, Zwitserlood P, Pyka M, Dannlowski U, Lehmann W, Heindel W, Arolt V, Konrad C.
J Sex Med. 2010 May;7(5):1858-67. doi: 10.1111/j.1743-6109.2009.01484.x. Epub 2009 Sep 14.
PMID: 19751389 [PubMed - indexed for MEDLINE]
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Select item 19341803
15.
Regional gray matter variation in male-to-female transsexualism.
Luders E, Sánchez FJ, Gaser C, Toga AW, Narr KL, Hamilton LS, Vilain E.
Neuroimage. 2009 Jul 15;46(4):904-7. doi: 10.1016/j.neuroimage.2009.03.048. Epub 2009 Mar 31.
PMID: 19341803 [PubMed - indexed for MEDLINE] Free PMC Article
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Select item 19062760
16.
[Transsexuality: living in a wrong body?].
Jokić-Begić N, Cikes AB, Jurin T, Lucev E, Markanović D, Rucević S.
Lijec Vjesn. 2008 Sep-Oct;130(9-10):237-47. Review. Croatian.
PMID: 19062760 [PubMed - indexed for MEDLINE]
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Select item 18980961
17.
A sex difference in the hypothalamic uncinate nucleus: relationship to gender identity.
Garcia-Falgueras A, Swaab DF.
Brain. 2008 Dec;131(Pt 12):3132-46. doi: 10.1093/brain/awn276. Epub 2008 Nov 2.
PMID: 18980961 [PubMed - indexed for MEDLINE] Free Article
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Select item 18608261
18.
Subcutaneous silicone injection leading to multi-system organ failure.
Clark RF, Cantrell FL, Pacal A, Chen W, Betten DP.
Clin Toxicol (Phila). 2008 Nov;46(9):834-7. doi: 10.1080/15563650701850025.
PMID: 18608261 [PubMed - indexed for MEDLINE]
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Select item 16337093
19.
The genetic basis of hair whorl, handedness, and other phenotypes.
Hatfield JS.
Med Hypotheses. 2006;66(4):708-14. Epub 2005 Dec 5.
PMID: 16337093 [PubMed - indexed for MEDLINE]
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Select item 16320157
20.
Endocrine treatment of male-to-female transsexuals using gonadotropin-releasing hormone agonist.
Dittrich R, Binder H, Cupisti S, Hoffmann I, Beckmann MW, Mueller A.
Exp Clin Endocrinol Diabetes. 2005 Dec;113(10):586-92.
PMID: 16320157 [PubMed - indexed for MEDLINE]
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