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Left-handers did not display any matching asymmetry, while right-handed Israelis showed the same asymmetry as right-handed North Americans. The preferred version was labeled ” P ” and was assigned a weighted score which was the Z-equivalent of the obtained X2, while the non-preferred version, ” N o n – P ‘was assigned a negative Z- equivalent.

Jerre Levy

The increases jerge the RA and RL correlations when L and A, respectively, are partialled out, mean that the two factors affecting dextral levh in the slides are negatively correlated, as seen in the AL correlation when variance due to R is eliminated. The slides were selected from a total set of approximately by the author and two colleagues on the basis of their subjectivejudgements regarding the relative aesthetic values of the slides viewed in both orientations.

Various factors, structures, and processes discovered by psychometricians, cognitive and clinical psycho- logists, behaviour geneticists, and those concerned with the phylogeny and ontogeny of behaviour, independently of any knowledge or interest in brain asymmetry, are now seen to relate quite directly to cerebral lateralization of levu. They were asked to judge the location of the more important content, and if this was symmetric, then the side of greater heaviness.

Results jjerre interpreted as reflecting a left field perceptual bias induced by selective right hemisphere activation in right handers. Hypnotizability, laterality of eye movement and ierre brain asymmetry. What is not clear is just ldvy this aspect is, or even whether it is suffici- ently simple that it can be defined.


A two-gene, four-allele model, one locus pertaining to left or right hemispheric dominance and the other to contralateral or ipsilateral hand control relative to the dominant hemisphere, is constructed. Irrespective of the causes of the scan pattern, it is not obvious that left to right scanning implies either that the more important content of a picture should be located on the right for maximal aesthetic effect, or, as Gaffron contends, along the “glance-curve”.

The results of the present investigation seem to show also that the human aesthetic sense is profoundly affected by the fact that the human brain is laterally differentiated.

During the last 10 yr, and particularly during the last 5 yr, more lefy more psychologists have come to recognize the pervasive consequences for psychological function which result from cerebral lateralization.

Though Gaffron hypothesizes that a certain fixed scan pattern compensates for an inherent right visual field bias induced by brain lateralization, knowledge gained over the last 35 yr regarding the specialized functions of the left and right hemispheres, proves beyond question that it is the left visual field for which a percep- tual bias exists.

Lateral dominance and aesthetic preference | Jerre Levy –

These leevy R and L were computed as follows. Giuseppe Vallar – – Behavioral and Brain Sciences 30 2: Nettleton – – Behavioral and Brain Sciences 4 1: A left-right asymmetry in either receptor or effector systems would be clearly disadvantageous to an animal with the capability of directed movement in response to a reality in which the direction of asymmetry is random.

Received23 October Abstract–Left and right handers were found to differ in their preferences levg mirror versions of vacation slides. Secondly, the direction of asymmetry should be in opposite directions on P and Non-P slides.

It should be noted, however, that the mean score of Group SD If the ideas which have been put forward have any validity, it should be possible to predict pre- ferences of dextral and sinistral populations based on controlled asymmetries in the stimuli. The question as to whether P slides should have right or left asymmetry is not predictable. This was demonstrated by reversing the face and comparing the original and reversed faces to the same face composed of two left halves or two right halves.


The purpose of the subject-analysis was to test the validity of the various hypotheses raised previously regarding the directions and magnitudes of asymmetry scores in P, Non-P, and S categories. Click here to sign up.

Subjects were tested in one of four group sessions, jegre two of which Carousel B was located in the top projector and in two of which Carousel A was located in the top projector. Unfortunately, however, it is not only likely, but almost certain, that no understanding of how lateralization of the brain affects preference can be gained unless invariances in preferred and non-preferred pictures are found.

Jerre Levy – Publications

Stein – – Behavioral and Brain Sciences 29 3: The asymmetry of human neurological organization was, for over a century, of concern only to neurologists and neurosurgeons.

David Poeppel – – Cognitive Science 25 5: Log In Sign Up. Hand orientation in writing and correlated levt in cerebral and cognitive organization.

Lateral organization in pictures and aesthetic preference. A l l 23 subjects h a d positive P scores. Information processing and higher psychological functions in the disconnected hemispheres of commissurotomy patients. Please study each slide carefully in order to determine its balance with respect to the left and right sides of the slide.