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Volumn 35, Issue 8, 2010, Pages 1213-1222

Cortical activation during mental rotation in male-to-female and female-to-male transsexuals under hormonal treatment

Author keywords

Cross sex hormonal treatment; FMRI; Frontal cortex; Gender identity disorders; Mental rotation; Occipital cortex; Parietal cortex; Transsexualism

Indexed keywords

ESTRADIOL; ETHINYLESTRADIOL; TESTOSTERONE;

EID: 77955576375     PISSN: 03064530     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.psyneuen.2010.02.010     Document Type: Article
Times cited : (48)

References (70)
  • 1
    • 0032917011 scopus 로고    scopus 로고
    • Androgen receptor messenger ribonucleic acid in brains and pituitaries of male rhesus monkeys: studies on distribution, hormonal control, and relationship to luteinizing hormone secretion
    • Abdelgadir S.E., Roselli C.E., Choate J.V.A., Resko J.A. Androgen receptor messenger ribonucleic acid in brains and pituitaries of male rhesus monkeys: studies on distribution, hormonal control, and relationship to luteinizing hormone secretion. Biol. Reprod. 1999, 60:1251-1256.
    • (1999) Biol. Reprod. , vol.60 , pp. 1251-1256
    • Abdelgadir, S.E.1    Roselli, C.E.2    Choate, J.V.A.3    Resko, J.A.4
  • 4
    • 13544267181 scopus 로고    scopus 로고
    • Sex differences and correlations in a virtual Morris water task, a virtual radial maze, and mental rotation
    • Astur R.S., Tropp J., Sava S., Constable R.T., Markus E.J. Sex differences and correlations in a virtual Morris water task, a virtual radial maze, and mental rotation. Behav. Brain Res. 2004, 151:103-115.
    • (2004) Behav. Brain Res. , vol.151 , pp. 103-115
    • Astur, R.S.1    Tropp, J.2    Sava, S.3    Constable, R.T.4    Markus, E.J.5
  • 5
    • 2342527841 scopus 로고    scopus 로고
    • The role of emotion in decision-making: evidence from neurological patients with orbitofrontal damage
    • Bechara A. The role of emotion in decision-making: evidence from neurological patients with orbitofrontal damage. Brain Cognit. 2004, 55:30-40.
    • (2004) Brain Cognit. , vol.55 , pp. 30-40
    • Bechara, A.1
  • 6
    • 0035040040 scopus 로고    scopus 로고
    • Cognitive function in congenital adrenal hyperplasia
    • Berenbaum S.A. Cognitive function in congenital adrenal hyperplasia. Endocrinol. Metab. Clin. North Am. 2001, 30:173-192.
    • (2001) Endocrinol. Metab. Clin. North Am. , vol.30 , pp. 173-192
    • Berenbaum, S.A.1
  • 9
    • 0024397448 scopus 로고
    • The classification and labeling of nonhomosexual gender dysphorias
    • Blanchard R. The classification and labeling of nonhomosexual gender dysphorias. Arch. Sex. Behav. 1989, 18:315-334.
    • (1989) Arch. Sex. Behav. , vol.18 , pp. 315-334
    • Blanchard, R.1
  • 11
    • 34548564610 scopus 로고    scopus 로고
    • The validity of the M.I.N.I. (Mini International Neuropsychiatric Interview) in three Spanish primary care centers
    • Bobes J., Gutierrez M., Palao D., Ferrando L., Gibert-Rahola J., Lecrubier Y. Validez del M.I.N.I. (Mini International Neuropsychiatric Interview) en tres centros de AP en España. Psiquiatr. Biol. 1997, 4(S2):79.
    • (1997) Psiquiatr. Biol. , vol.4 , Issue.2 , pp. 79
    • Bobes, J.1    Gutierrez, M.2    Palao, D.3    Ferrando, L.4    Gibert-Rahola, J.5    Lecrubier, Y.6
  • 12
    • 0141954181 scopus 로고    scopus 로고
    • The effects of combined androgen blockade on cognitive function during the first cycle of intermittent androgen suppression in patients with prostate cancer
    • Cherrier M.M., Rose A.L., Higano C. The effects of combined androgen blockade on cognitive function during the first cycle of intermittent androgen suppression in patients with prostate cancer. J. Urol. 2003, 170:1808-1811.
    • (2003) J. Urol. , vol.170 , pp. 1808-1811
    • Cherrier, M.M.1    Rose, A.L.2    Higano, C.3
  • 14
    • 0033010345 scopus 로고    scopus 로고
    • Transsexualism: a review of etiology, diagnosis and treatment
    • Cohen-Kettenis P.T., Gooren L.J.G. Transsexualism: a review of etiology, diagnosis and treatment. J. Psychosom. Res. 1999, 46:315-333.
    • (1999) J. Psychosom. Res. , vol.46 , pp. 315-333
    • Cohen-Kettenis, P.T.1    Gooren, L.J.G.2
  • 15
    • 0035719899 scopus 로고    scopus 로고
    • Effects of blood estrogen level on cortical activation patterns during cognitive activation as measured by functional MRI
    • Dietrich T., Krings T., Neulen J., Willmes K., Erberich S., Thron A., Sturm W. Effects of blood estrogen level on cortical activation patterns during cognitive activation as measured by functional MRI. Neuroimage 2001, 13:425-432.
    • (2001) Neuroimage , vol.13 , pp. 425-432
    • Dietrich, T.1    Krings, T.2    Neulen, J.3    Willmes, K.4    Erberich, S.5    Thron, A.6    Sturm, W.7
  • 16
    • 0032420904 scopus 로고    scopus 로고
    • Sex-sensitive tasks in men and women: a search for performance fluctuations across the menstrual cycle
    • Epting L.K., Overman W.H. Sex-sensitive tasks in men and women: a search for performance fluctuations across the menstrual cycle. Behav. Neurosci. 1998, 112:1304-1317.
    • (1998) Behav. Neurosci. , vol.112 , pp. 1304-1317
    • Epting, L.K.1    Overman, W.H.2
  • 17
    • 0033567838 scopus 로고    scopus 로고
    • Immunoreactivity for intracellular androgen receptors in identified subpopulations of neurons astrocytes and oligodendrocytes in primate prefrontal cortex
    • Finley S.K., Kritzer M.F. Immunoreactivity for intracellular androgen receptors in identified subpopulations of neurons astrocytes and oligodendrocytes in primate prefrontal cortex. J. Neurobiol. 1999, 40:446-457.
    • (1999) J. Neurobiol. , vol.40 , pp. 446-457
    • Finley, S.K.1    Kritzer, M.F.2
  • 18
    • 0023957484 scopus 로고
    • Hemisphere differences for components of mental rotation
    • Fisher C.S., Pellegrino J.W. Hemisphere differences for components of mental rotation. Brain Cognit. 1988, 7:1-15.
    • (1988) Brain Cognit. , vol.7 , pp. 1-15
    • Fisher, C.S.1    Pellegrino, J.W.2
  • 19
    • 33644750465 scopus 로고    scopus 로고
    • Gender-specific cerebral activation during cognitive tasks using functional MRI: comparison of women in mid-luteal phase and men
    • Gizewski E.R., Krause E., Wanke I., Forsting M., Senf W. Gender-specific cerebral activation during cognitive tasks using functional MRI: comparison of women in mid-luteal phase and men. Neuroradiology 2006, 48:14-20.
    • (2006) Neuroradiology , vol.48 , pp. 14-20
    • Gizewski, E.R.1    Krause, E.2    Wanke, I.3    Forsting, M.4    Senf, W.5
  • 20
    • 65449126691 scopus 로고    scopus 로고
    • Sociodemographic, clinical, and psychiatric characteristics of transsexuals from Spain
    • Gómez-Gil E., Trilla A., Salamero M., Godás T., Valdés M. Sociodemographic, clinical, and psychiatric characteristics of transsexuals from Spain. Arch. Sex. Behav. 2009, 38:378-392.
    • (2009) Arch. Sex. Behav. , vol.38 , pp. 378-392
    • Gómez-Gil, E.1    Trilla, A.2    Salamero, M.3    Godás, T.4    Valdés, M.5
  • 22
    • 33748123255 scopus 로고    scopus 로고
    • The biology of human psychosexual differentiation
    • Gooren L. The biology of human psychosexual differentiation. Horm. Behav. 2006, 50:589-601.
    • (2006) Horm. Behav. , vol.50 , pp. 589-601
    • Gooren, L.1
  • 23
    • 33847200323 scopus 로고    scopus 로고
    • Sexual identity and sexual orientation
    • Academic Press, Amsterdam
    • Green R. Sexual identity and sexual orientation. Hormones, Brain and Behavior 2002, vol. 4:463-485. Academic Press, Amsterdam.
    • (2002) Hormones, Brain and Behavior , vol.4 , pp. 463-485
    • Green, R.1
  • 25
    • 33344464983 scopus 로고    scopus 로고
    • Comparable fMRI activity with differential behavioral performance on mental rotation and overt verbal fluency in healthy men and women
    • Halari R., Sharma T., Hines M., Andrew C., Simmons A., Kumari V. Comparable fMRI activity with differential behavioral performance on mental rotation and overt verbal fluency in healthy men and women. Exp. Brain Res. 2006, 169:1-14.
    • (2006) Exp. Brain Res. , vol.169 , pp. 1-14
    • Halari, R.1    Sharma, T.2    Hines, M.3    Andrew, C.4    Simmons, A.5    Kumari, V.6
  • 26
    • 0042700100 scopus 로고    scopus 로고
    • Sex-sensitive cognitive performance in untreated patients with early onset gender identity disorder
    • Haraldsen I.R., Opjorsdsmoen S., Egeland T., Finset A. Sex-sensitive cognitive performance in untreated patients with early onset gender identity disorder. Psychoneuroendocrinology 2003, 28:906-915.
    • (2003) Psychoneuroendocrinology , vol.28 , pp. 906-915
    • Haraldsen, I.R.1    Opjorsdsmoen, S.2    Egeland, T.3    Finset, A.4
  • 27
    • 28244463471 scopus 로고    scopus 로고
    • Cross-sex hormone treatment does not change sex-sensitive cognitive performance in gender identity disorder patients
    • Haraldsen I.R., Egeland T., Haug E., Finset A., Opjorsdsmoen S. Cross-sex hormone treatment does not change sex-sensitive cognitive performance in gender identity disorder patients. Psychiatr. Res. 2005, 137:161-174.
    • (2005) Psychiatr. Res. , vol.137 , pp. 161-174
    • Haraldsen, I.R.1    Egeland, T.2    Haug, E.3    Finset, A.4    Opjorsdsmoen, S.5
  • 29
    • 0642337128 scopus 로고    scopus 로고
    • Spatial abilities following prenatal androgen abnormality: targeting and mental rotations performance in individuals with congenital adrenal hyperplasia
    • Hines M., Fane B.A., Pasterski V.L., Mathews G.A., Conway G.S., Brook C. Spatial abilities following prenatal androgen abnormality: targeting and mental rotations performance in individuals with congenital adrenal hyperplasia. Psychoneuroendocrinology 2003, 28:1010-1026.
    • (2003) Psychoneuroendocrinology , vol.28 , pp. 1010-1026
    • Hines, M.1    Fane, B.A.2    Pasterski, V.L.3    Mathews, G.A.4    Conway, G.S.5    Brook, C.6
  • 30
    • 33845434242 scopus 로고    scopus 로고
    • Prenatal testosterone and gender-related behaviour
    • Hines M. Prenatal testosterone and gender-related behaviour. Eur. J. Endocrinol. 2006, 155(Suppl. 1):S115-S121.
    • (2006) Eur. J. Endocrinol. , vol.155 , Issue.SUPPL. 1
    • Hines, M.1
  • 31
    • 1242270657 scopus 로고    scopus 로고
    • The relationship of male testosterone to components of mental rotation
    • Hooven C.K., Chabris C.F., Ellison P.T., Kosslyn S.M. The relationship of male testosterone to components of mental rotation. Neuropsychologia 2004, 42:782-790.
    • (2004) Neuropsychologia , vol.42 , pp. 782-790
    • Hooven, C.K.1    Chabris, C.F.2    Ellison, P.T.3    Kosslyn, S.M.4
  • 32
    • 33744941060 scopus 로고    scopus 로고
    • Sex differences in visuo-spatial processing: An fMRI study of mental rotation
    • Hugdahl K., Thomsen T., Ersland L. Sex differences in visuo-spatial processing: An fMRI study of mental rotation. Neuropsychologia 2006, 44:1575-1583.
    • (2006) Neuropsychologia , vol.44 , pp. 1575-1583
    • Hugdahl, K.1    Thomsen, T.2    Ersland, L.3
  • 33
    • 31744435679 scopus 로고    scopus 로고
    • Thinking with your gonads: testosterone and cognition
    • Janowsky J.S. Thinking with your gonads: testosterone and cognition. Trends Cognit. Sci. 2006, 10:77-82.
    • (2006) Trends Cognit. Sci. , vol.10 , pp. 77-82
    • Janowsky, J.S.1
  • 34
    • 0036414434 scopus 로고    scopus 로고
    • Women and men exhibit different cortical activation patterns during mental rotation tasks
    • Jordan K., Wüstenberg T., Heinze H.-J., Peters M., Jancke L. Women and men exhibit different cortical activation patterns during mental rotation tasks. Neuropsychologia 2002, 40:2397-2408.
    • (2002) Neuropsychologia , vol.40 , pp. 2397-2408
    • Jordan, K.1    Wüstenberg, T.2    Heinze, H.-J.3    Peters, M.4    Jancke, L.5
  • 35
    • 0041343066 scopus 로고    scopus 로고
    • Subgroup analysis of sex difference on the Vandenberg-Kuse mental rotation test
    • Karádi K., Csathó A., Kovács B., Kosztolányi P. Subgroup analysis of sex difference on the Vandenberg-Kuse mental rotation test. Percept. Mot. Skills 2003, 96:197-200.
    • (2003) Percept. Mot. Skills , vol.96 , pp. 197-200
    • Karádi, K.1    Csathó, A.2    Kovács, B.3    Kosztolányi, P.4
  • 37
    • 0002976996 scopus 로고
    • Hemispheric differences in visual objects processing: structural versus allocation theories
    • MIT Press, Cambridge, R.J. Davidson, K. Hugdahl (Eds.)
    • Kosslyn S.M., Brown H.D. Hemispheric differences in visual objects processing: structural versus allocation theories. Brain Asymmetry 1995, 77-98. MIT Press, Cambridge. R.J. Davidson, K. Hugdahl (Eds.).
    • (1995) Brain Asymmetry , pp. 77-98
    • Kosslyn, S.M.1    Brown, H.D.2
  • 38
    • 40449085783 scopus 로고    scopus 로고
    • Relationships between salivary estradiol and components of mental rotation in young men
    • Kozaki T., Yasukouchi A. Relationships between salivary estradiol and components of mental rotation in young men. Physiol. Antropol. 2008, 27:19-24.
    • (2008) Physiol. Antropol. , vol.27 , pp. 19-24
    • Kozaki, T.1    Yasukouchi, A.2
  • 39
    • 17644377254 scopus 로고    scopus 로고
    • Sexuality before and after male-to-female sex reassignment surgery
    • Lawrence A.A. Sexuality before and after male-to-female sex reassignment surgery. Arch. Sex. Behav. 2005, 34:147-166.
    • (2005) Arch. Sex. Behav. , vol.34 , pp. 147-166
    • Lawrence, A.A.1
  • 40
    • 0022292943 scopus 로고
    • Emergence and characterisation of gender differences in spatial abilities: a meta-analysis
    • Linn M.C., Petersen A.C. Emergence and characterisation of gender differences in spatial abilities: a meta-analysis. Child Dev. 1985, 56:1479-1498.
    • (1985) Child Dev. , vol.56 , pp. 1479-1498
    • Linn, M.C.1    Petersen, A.C.2
  • 42
    • 33645241251 scopus 로고    scopus 로고
    • Cognitive outcome in adult women affected by congenital adrenal hyperplasia due to 21-hydroxylase deficiency
    • Malouf M.A., Migeon C.J., Carson K.A., Petrucci L., Wisnieswski A.B. Cognitive outcome in adult women affected by congenital adrenal hyperplasia due to 21-hydroxylase deficiency. Horm. Res. 2006, 65:142-150.
    • (2006) Horm. Res. , vol.65 , pp. 142-150
    • Malouf, M.A.1    Migeon, C.J.2    Carson, K.A.3    Petrucci, L.4    Wisnieswski, A.B.5
  • 43
    • 33750945709 scopus 로고    scopus 로고
    • Estrogen effects on cognition, memory and mood in male-to-female transsexuals
    • Miles C., Green R., Hines M. Estrogen effects on cognition, memory and mood in male-to-female transsexuals. Horm. Behav. 2006, 50:707-708.
    • (2006) Horm. Behav. , vol.50 , pp. 707-708
    • Miles, C.1    Green, R.2    Hines, M.3
  • 44
    • 0032714365 scopus 로고    scopus 로고
    • The human forebrain has discrete estrogen receptor α messenger RNA expression: high levels in the amygdaloid complex
    • Österlund M.K., Keller E., Hurd Y.L. The human forebrain has discrete estrogen receptor α messenger RNA expression: high levels in the amygdaloid complex. Neuroscience 2000, 95:333-342.
    • (2000) Neuroscience , vol.95 , pp. 333-342
    • Österlund, M.K.1    Keller, E.2    Hurd, Y.L.3
  • 45
    • 0033762825 scopus 로고    scopus 로고
    • Estrogen receptor β (ERβ) messenger ribonucleic acid (mRNA) expression within the human forebrain: distinct distribution pattern to ER α mRNA
    • Österlund M.K., Gustafsson J.-A., Keller E., Hurd Y.L. Estrogen receptor β (ERβ) messenger ribonucleic acid (mRNA) expression within the human forebrain: distinct distribution pattern to ER α mRNA. J. Clin. Endocrinol. Metab. 2000, 85:3840-3846.
    • (2000) J. Clin. Endocrinol. Metab. , vol.85 , pp. 3840-3846
    • Österlund, M.K.1    Gustafsson, J.-A.2    Keller, E.3    Hurd, Y.L.4
  • 47
    • 13644263236 scopus 로고    scopus 로고
    • Sex differences and the factor time in solving Vanderberg and Kuse mental rotation problems
    • Peters M. Sex differences and the factor time in solving Vanderberg and Kuse mental rotation problems. Brain Cognit. 2005, 57:176-184.
    • (2005) Brain Cognit. , vol.57 , pp. 176-184
    • Peters, M.1
  • 48
    • 0029315746 scopus 로고
    • A redrawn Vanderberg & Kuse mental rotation test: different versions and factors that affect performance
    • Peters M., Laeng B., Latham K., Jackson M., Zaiyouna R., Richardson C. A redrawn Vanderberg & Kuse mental rotation test: different versions and factors that affect performance. Brain Cognit. 1995, 28:39-58.
    • (1995) Brain Cognit. , vol.28 , pp. 39-58
    • Peters, M.1    Laeng, B.2    Latham, K.3    Jackson, M.4    Zaiyouna, R.5    Richardson, C.6
  • 49
    • 0031425464 scopus 로고    scopus 로고
    • Differences in the relationship of menstrual cycle phase to spatial performance on two-and three-dimensional tasks
    • Phillips K., Silverman I. Differences in the relationship of menstrual cycle phase to spatial performance on two-and three-dimensional tasks. Horm. Behav. 1997, 32:167-175.
    • (1997) Horm. Behav. , vol.32 , pp. 167-175
    • Phillips, K.1    Silverman, I.2
  • 50
    • 0028832805 scopus 로고
    • Immunocytochemical detection of androgen receptor in human temporal cortex: characterization and application of polyclonal androgen receptor antibodies in frozen and paraffin-embedded tissues
    • Puy L., MacLusky N.J., Becker L., Karsan N., Trachtenberg J., Brown T.J. Immunocytochemical detection of androgen receptor in human temporal cortex: characterization and application of polyclonal androgen receptor antibodies in frozen and paraffin-embedded tissues. J. Steroid Biochem. Mol. Biol. 1995, 55:197-209.
    • (1995) J. Steroid Biochem. Mol. Biol. , vol.55 , pp. 197-209
    • Puy, L.1    MacLusky, N.J.2    Becker, L.3    Karsan, N.4    Trachtenberg, J.5    Brown, T.J.6
  • 51
    • 0000542870 scopus 로고
    • Early hormonal influences on cognitive functioning in congenital adrenal hyperplasia
    • Resnick S.M., Berenbaum S.A., Gottesman I.I., Bouchard T.J. Early hormonal influences on cognitive functioning in congenital adrenal hyperplasia. Dev. Psychol. 1986, 22:191-198.
    • (1986) Dev. Psychol. , vol.22 , pp. 191-198
    • Resnick, S.M.1    Berenbaum, S.A.2    Gottesman, I.I.3    Bouchard, T.J.4
  • 54
    • 13844306205 scopus 로고    scopus 로고
    • Does egocentric mental rotation elicit sex differences?
    • Seurinck R., Vingerhoets G., Lange F.P., Achten E. Does egocentric mental rotation elicit sex differences?. Neuroimage 2004, 23:1440-1449.
    • (2004) Neuroimage , vol.23 , pp. 1440-1449
    • Seurinck, R.1    Vingerhoets, G.2    Lange, F.P.3    Achten, E.4
  • 55
    • 0032421570 scopus 로고    scopus 로고
    • The Mini-International Neuropsychiatric Interview (MINI): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10
    • Sheehan D.V., Lecrubier Y., Sheehan K.H., Amorim P., Janavs J., Weiller E. The Mini-International Neuropsychiatric Interview (MINI): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J. Clin. Psychiatr. 1998, 59(S20):22-33.
    • (1998) J. Clin. Psychiatr. , vol.59 , Issue.20 , pp. 22-33
    • Sheehan, D.V.1    Lecrubier, Y.2    Sheehan, K.H.3    Amorim, P.4    Janavs, J.5    Weiller, E.6
  • 56
    • 0015231889 scopus 로고
    • Mental rotation of three-dimensional objects
    • Shepard R.N., Metzler J. Mental rotation of three-dimensional objects. Science 1971, 171:701-703.
    • (1971) Science , vol.171 , pp. 701-703
    • Shepard, R.N.1    Metzler, J.2
  • 57
    • 0032909791 scopus 로고    scopus 로고
    • Activating effects of cross-sex hormones on cognitive functioning: a study of short-term and long-term hormone effects in transsexuals
    • Slabbekoorn D., Van Goozen S.H.M., Megens J., Gooren L.J.G., Cohen-Kettenis P.T. Activating effects of cross-sex hormones on cognitive functioning: a study of short-term and long-term hormone effects in transsexuals. Psychoneuroendocrinology 1999, 24:423-447.
    • (1999) Psychoneuroendocrinology , vol.24 , pp. 423-447
    • Slabbekoorn, D.1    Van Goozen, S.H.M.2    Megens, J.3    Gooren, L.J.G.4    Cohen-Kettenis, P.T.5
  • 63
    • 34547590056 scopus 로고    scopus 로고
    • Spatial neglect, Balint-Homes' and Gerstmann's syndrome, and other spatial disorders
    • Vallar G. Spatial neglect, Balint-Homes' and Gerstmann's syndrome, and other spatial disorders. CNS Spectrom. 2007, 12:527-536.
    • (2007) CNS Spectrom. , vol.12 , pp. 527-536
    • Vallar, G.1
  • 65
    • 0018180305 scopus 로고
    • Mental rotations, a group test of three-dimensional spatial visualization
    • Vandenberg S.G., Kuse A.R. Mental rotations, a group test of three-dimensional spatial visualization. Percept. Mot. Skills 1978, 47:599-604.
    • (1978) Percept. Mot. Skills , vol.47 , pp. 599-604
    • Vandenberg, S.G.1    Kuse, A.R.2
  • 67
    • 0029263003 scopus 로고
    • Magnitude of sex differences in spatial abilities: a meta-analysis and consideration of critical variables
    • Voyer D., Voyer S., Bryden M.P. Magnitude of sex differences in spatial abilities: a meta-analysis and consideration of critical variables. Psychol. Bull. 1995, 117:250-270.
    • (1995) Psychol. Bull. , vol.117 , pp. 250-270
    • Voyer, D.1    Voyer, S.2    Bryden, M.P.3
  • 70
    • 33845791923 scopus 로고    scopus 로고
    • Testosterone and the brain
    • Zitzmann M. Testosterone and the brain. Aging Male 2006, 9:195-199.
    • (2006) Aging Male , vol.9 , pp. 195-199
    • Zitzmann, M.1


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