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Genetic Basis Of Musical Aptitude: Neurobiology Of Musicality Related To Intrinsic Attachment Behavior

Date:
May 27, 2009
Source:
University of Helsinki
Summary:
Music is social communication between individuals -- humming of lullabies attach infant to parent and singing or playing music adds croup cohesion. The neurobiology of music perception and production is likely to be related to the pathways affecting intrinsic attachment behavior, suggests a recent Finnish study. The study gives new information about genetic background of musical aptitude.

Young girl playing the violin. New research suggests that music perception and creativity in music are linked to the same phenotypic spectrum of human cognitive social skills.
Credit: iStockphoto

Music is social communication between individuals -- humming of lullabies attach infant to parent and singing or playing music adds croup cohesion. The neurobiology of music perception and production is likely to be related to the pathways affecting intrinsic attachment behavior, suggests a recent Finnish study. The study gives new information about genetic background of musical aptitude.

In the study of University of Helsinki and Sibelius Academy, Helsinki, the neurobiological basis of music in human evolution and communication was evaluated using candidate genes associated in the earlier studies with social bonding and cognitive functions. The data consisted of 343 family members from 19 Finnish families with at least some professional musicians and/or active amateurs. The musical aptitude was assessed using three music tests: the auditory structuring ability test (Karma Music test) and Carl Seashore's pitch and time discrimination subtests. Additionally participants filled in an extensive web-based self-report questionnaire and blood samples were collected from the study subjects over 12 years of age. One part of the questionnaire was devised to chart the participants creative functions in music –composing, improvising and arranging of music.

In the study high music test scores were significantly associated with creative functions in music (p< .0001), suggesting composing, improvising and arranging music demands musical aptitude. Creativity is a multifactorial genetic trait involving a complex network made up of a number of genes and environment. Here was shown for the first time that the creative functions in music have a strong genetic component (h2 =.84; composing h2 =.40; arranging h2 =.46; improvising h2 = .62) in Finnish multigenerational families. Additionally the heritability estimates of the musical aptitude were remarkable.

To elucidate the neurobiological basis of music in human evolution and communication the researchers demonstrated an association of arginine vasopressin receptor 1A (AVPR1A) gene variants with musical aptitude. In the previous studies the AVPR1A gene and its homologies have been associated with social, emotional and behavioral traits, including pair bonding and parenting. The results suggest that the neurobiology of music perception and production is related to the pathways affecting intrinsic attachment behavior.

"Music is social communication between individuals," says Liisa Ukkola. "Darwin proposed that singing is used to attract the opposite sex. Furthermore, lullabies are implied to attach infant to a parent and singing or playing music together may add group cohesion. Thus, it is justified to hypothesize that music perception and creativity in music are linked to the same phenotypic spectrum of human cognitive social skills, like human bonding and altruism both associated with AVPR1A. We have shown for the first time in the molecular level that music perception has an attachment creating impact."

The study belongs to the larger research project where biological basis of musical aptitude is investigated. The leader of the study is docent Irma Järvelä. The principal investigator is MSc Liisa Ukkola, docent Päivi Onkamo is the expert in statistical analyses, Doctor of Music Pirre Raijas and docent Kai Karma are experts in musical aptitude. The study has been published in PLoS ONE.


Story Source:

The above story is based on materials provided by University of Helsinki. Note: Materials may be edited for content and length.


Journal Reference:

  1. Liisa T. Ukkola, Päivi Onkamo, Pirre Raijas, Kai Karma, Irma Järvelä. Musical Aptitude Is Associated with AVPR1A-Haplotypes. PLoS ONE, 2009; 4 (5): e5534 DOI: 10.1371/journal.pone.0005534

Cite This Page:

University of Helsinki. "Genetic Basis Of Musical Aptitude: Neurobiology Of Musicality Related To Intrinsic Attachment Behavior." ScienceDaily. ScienceDaily, 27 May 2009. <www.sciencedaily.com/releases/2009/05/090526093925.htm>.
University of Helsinki. (2009, May 27). Genetic Basis Of Musical Aptitude: Neurobiology Of Musicality Related To Intrinsic Attachment Behavior. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2009/05/090526093925.htm
University of Helsinki. "Genetic Basis Of Musical Aptitude: Neurobiology Of Musicality Related To Intrinsic Attachment Behavior." ScienceDaily. www.sciencedaily.com/releases/2009/05/090526093925.htm (accessed October 20, 2014).

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