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Query: UMLS:C0026837 (muscle rigidity)
 1,077 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The relationship of rigidity and creative perceptions of 214 Hungarian adolescent males and females was explored using a non-verbal test of rigidity (Breskin Rigidity Test) and a measure of creative perceptions (Something About Myself). Males and females were divided into Moderately Rigid and Low Rigid groups. An analysis of variance of the data showed no significant differences in creative perceptions relative to rigidity level, sex, or interaction of rigidity level and sex.
Percept Mot Skills 1975 Jun
PMID:Relationship of non-verbal rigidity and creative perceptions. 117 68

Over a 2-wk. period 15 high school students passively viewed a Necker cube for 5 trials (90 sec. per trial). The number of reversals per trial indicates there were practice effects. Measures of tolerance of ambiguity (Tolerance of Ambiguity), anxiety (General Anxiety Scale and Test Anxiety Scale), and rigidity (Breskin's Rigidity) were administered. Pearson correlations indicate that tolerance of ambiguity was not associated with viewing an ambiguous figure, the Necker cube. Analysis also suggests the more rigid the person's outlook, the fewer reversals were reported, and exposure to viewing the figure lowers anxiety.
Percept Mot Skills 1989 Dec
PMID:Learning effects while passively viewing the Necker cube. 262 52

Of 24 students from a psychology class in high school 12 were randomly assigned to a Massed Practice group (4 boys, 8 girls each) and 12 to a Distributed Practice group. They viewed a Necker cube for a 3-min. trial on three occasions separated by a week. The Massed Practice group had no rests while the Distributed Practice group rested 1 min. after each 1 min. of viewing. There were no significant differences for total reversals between Massed and Distributed groups on any trial. There were no significant differences between boys and girls on Trials 1 and 2, but on Trial 3 boys reported significantly more reversals than girls. Within each group there was a significant increase in the number of reversals from Trial 1 to Trial 3, indicating learning effects. Rigidity scores did not correlate significantly with the total Necker cube reversals for Trials 1, 2, or 3. The massed and distributed practice effects were not present although learning was noted. Longer rests may be needed for practice effects within trials; long rests of 7 days between trials may account for lack of differences.
Percept Mot Skills 1993 Feb
PMID:Passive viewing of the Necker cube during massed and distributed practice. 845 Nov 43

Reliability estimates of the 15-item Breskin Rigidity Scale were made among 101 German adults. A principal components analysis indicated that 14 items loaded on the same component. The finding facilitates the use of the scale among this sample and suggests the scale's reliability across different cultures.
Percept Mot Skills 1996 Oct
PMID:An examination of the internal reliability of the Breskin Rigidity Test among German adults. 890 12

Among 75 college students, response frequency from the Rorschach correlated significantly at .21 with Alternate Uses and at .20 with Match Problems (measures of divergent thinking), but not significantly (r = .07) with the Questionnaire (a self-report measure of flexibility) from the Test of Behavioral Rigidity. Contrary to hypothesis, the Active-Passive Movement Ratio from the Comprehensive System did not correlate significantly with any of these tests (r = .04-.11). Whereas Response Frequency can be seen as another reflection of ideational fluency or productivity, as long has been speculated, the conceptual and empirical links between flexibility and the ratio of active to passive movement are dubious.
Percept Mot Skills 2010 Oct
PMID:Response frequency and Exner's active-passive ratio as Rorschach indicators of flexibility. 2116 56