Is reduced dermatoglyphic a–b ridge count a reliable marker of developmental impairment in schizophrenia?

Fearon, Paul; Lane, Abbie; Airie, Miriam; Scannell, J.; McGowan, Ann; Byrne, Majella; Cannon, Mary; Cotter, David; Murphy, P.; Cassidy, Brendan; Waddington, John L.; Larkin, Conall; O’Callaghan, Eadbhard

doi:10.1016/s0920-9964(00)00089-x

Cited by 46 publications

(34 citation statements)

References 14 publications

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“…In opposition contrast to previous results in schizophrenia, the individuals affected by 22qDS in this sample do not show a low ABRC compared to controls [Turek, 1990;Fañanás et al, 1996a;Fearon et al, 2001]. We also did not observe in our 22qDS patient sample the higher frequency of ridge dissociations reported in schizophrenia.…”

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confidence: 99%

“…The higher values of ABRC in 22qDS subjects with schizophrenia could also be caused this way. Previous results suggesting low ABRC to be associated with schizophrenia [Fañanás et al, 1990[Fañanás et al, , 1996aTurek, 1990;Fearon et al, 2001] have been interpreted to be due to intrauterine environmental noise provoking a lower development of the embryonic pads of some patients. In other chromosomal abnormality syndromes, ABRC does not show a consistent pattern, being increased in Turner syndrome [Dallapiccola et al, 1972], not differing in Down syndrome [Holt, 1968b], or appearing decreased in 18q-syndrome [Schaumann and Alter, 1976].…”

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confidence: 99%

“…Several authors have reported decreased TFRC and/or ABRC values in schizophrenia [Fañanás et al, 1990[Fañanás et al, , 1996aTurek, 1990;Fearon et al, 2001]. There are also several studies in the literature describing an excess of dermatoglyphic abnormalities, such as ridge dissociations and abnormal palmar flexion creases in schizophrenic patients [Raphael and Raphael, 1962;Markow and Wandler, 1986;Fañanás et al, 1996b;Rosa et al, 2000aRosa et al, , 2002.…”

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Dermatoglyphic profile in 22q deletion syndrome

Martín¹,

Fañanás²,

Gutiérrez³

et al. 2004

American J of Med Genetics Pt B

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A genetic subtype of schizophrenia has been described in 22q11 Deletion syndrome. Previous studies have described an excess of dermatoglyphic alterations in schizophrenia, such as low a-b ridge counts (ABRCs), a high frequency of ridge dissociations, and increased dermatoglyphic fluctuating asymmetry. Little is known however, about the dermatoglyphic profile of 22qDS subjects showing psychotic symptoms and its similarity to the previously reported anomalies in schizophrenia. We studied the palmar dermatoglyphics of 22 subjects with 22qDS of predominantly Caucasian origin, 15 of whom had psychotic illness, and in 84 healthy controls of similar ethnicity. We observed higher values for total ATD angle in cases than in controls (P = 0.04). In addition, there was an excess of radial figures in the hypothenar area in cases, especially in the left hand. Interestingly, greater fluctuating asymmetry, determined by the absolute difference between right and left ABRC, was observed in 22qDS subjects compared to controls (P = 0.05). However, no differences were found for ABRCs and frequency of dissociations. Despite the small sample size, the palmprints analyzed suggest the existence of an altered dermatoglyphic profile in 22qDS, involving: (i) ATD angle amplitude, (ii) presence of radial loops in the hypothenar area, and (iii) an increment of fluctuating asymmetry. The first two features are similar to those found in other genetic syndromes associated with low IQ, while high levels of fluctuating asymmetry have often been reported in schizophrenia.Chromosome 22q11 Deletion syndrome (22qDS) is due to microdeletions of chromosome region 22q11.2, involving multiple genes [Karayiorgou et al., 1995;Bassett and Chow, 1999;Bassett et al., 2001]. 22qDS comprises several genetic syndromes, including velocardiofacial syndrome and DiGeorge syndrome. The most common phenotypic consequences of this deletion are, among others, (1) learning disabilities, (2) palatal anomalies, (3) typical facial features, (4) congenital cardiac defects, and (5) psychiatric disorders. The estimated prevalence of the deletion 22q11.2 is 1/4,000 [du Montcel et al., 1996], which usually occurs as a sporadic mutation, but approximately 10% of cases are inherited from transmitting parents, who often have a less severe phenotype [Demczuk and Aurias, 1995].

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Dermatoglyphic profile in 22q deletion syndrome

Martín¹,

Fañanás²,

Gutiérrez³

et al. 2004

American J of Med Genetics Pt B

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“…Dermatoglyphic traits are formed under genetic control early in development but may be affected by the environmental factors (such as : viral infection, radiation, alcohol and drug abuse) during the first trimester of pregnancy (Chintaman et al, 2007;Bramon et al, 2005). Epidermal ridges may form in some abnormal patterns, thus the ridge patterns can be used in etiology during the crucial period of diseases (Fearon et al, 2001). Dermatoglyphics serves as a window of congenital abnormalities and is a sensitive indicator of intrauterine anomalies (Matsuyama et al, 2006).…”

Section: Resultsmentioning

confidence: 99%

A Dermatoglyphic Study: Association of Fingerprint Patterns Among ABO Blood Groups

2016

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Fingerprints are probably the most common biometric technique used in personal identification. The potential of fingerprints to determine sex and human identification has been well exhibited. However, very few studies have been conducted correlating finger prints with blood groups. The aim of this study was to investigate the distribution of fingerprint patterns based on ABO blood groups. The total sample consisted of 302 medical students of YARSI University Jakarta comprising of 187 females and 115 males. The fingerprint patterns were classified into arches, loops (ulnar and radial), whorls. counted and comprised triradius and total ridge count. The data analysis used Chi Square and Student-T test.The study results indicated that there were fourth especially pattern type. Significantly (p<0.05), frequency of loop types (60.36%) was highest in B blood, whorl type was highest in O blood (40.45%) and arches in AB blood was higher (5.12%) as compared to other groups. Dankmeijer indices of O and AB blood were 3.78 and 11.34, respectively. There were indicated significantly (p<0.05) difference of average ridge count total among ABO blood groups. This study implied an association between dermatoglyphics and blood groups.

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“…Fearon et al 10 reported more than 70 such studies up to 2001. These studies are valuable since they considered schizophrenia from a preventive perspective reflecting an important recent trend in neurosciences.…”

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confidence: 99%

Determining the Association Between Dermatoglyphics and Schizophrenia by Using Fingerprint Asymmetry Measures

Wang

Lin

Yen

et al. 2008

Int. J. Patt. Recogn. Artif. Intell.

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Early detection and intervention strategies for schizophrenia are receiving increasingly more attention. Dermatoglyphic patterns, such as the degree of asymmetry of the fingerprints, have been hypothesized to be indirect measures for early abnormal developmental processes that can lead to later psychiatric disorders such as schizophrenia. However, previous results have been inconsistent in trying to establish the association between dermatoglyphics and schizophrenia. The goal of this work is to try to resolve this problem by borrowing well-developed techniques from the field of fingerprint matching. Two dermatoglyphic asymmetry measures are proposed that draw on the orientation field of homologous fingers. To test the capability of these measures, fingerprint images were acquired digitally from 40 schizophrenic patients and 51 normal individuals. Based on these images, no statistically significant association between conventional dermatoglyphic asymmetry measures and schizophrenia was found. In contrast, the sample means of the proposed measures consistently identified the patient group as having a higher degree of asymmetry than the control group. These results suggest that the proposed measures are promising for detecting the dermatoglyphic patterns that can differentiate the patient and control groups.

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Is reduced dermatoglyphic a–b ridge count a reliable marker of developmental impairment in schizophrenia?

Cited by 46 publications

References 14 publications

Dermatoglyphic profile in 22q deletion syndrome

Dermatoglyphic profile in 22q deletion syndrome

A Dermatoglyphic Study: Association of Fingerprint Patterns Among ABO Blood Groups

Determining the Association Between Dermatoglyphics and Schizophrenia by Using Fingerprint Asymmetry Measures

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