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Brannstrom, Lauritz – 1980
The significance of spatial factors on an initial segmentation and an active attentional phase was demonstrated by briefly exposing spatial configurations of elements, and then asking the subjects to reproduce the patterns or to search them for a target letter. The stimulus displays consisted of small o's forming different spatial configurations,…
Descriptors: Cognitive Processes, Dimensional Preference, Eye Movements, Patterned Responses
Brannstrom, Lauritz – 1980
The visual scanning of redundant and random spatial configurations of two-digit numbers was investigated in a target recognition task. The experimental technique involved a brief exposure of a probe (a two-digit number) at the center of the visual field, followed by a spatial pattern of 16 two-digit numbers which included the matching target in…
Descriptors: Cognitive Processes, College Students, Eye Movements, Patterned Responses
Brannstrom, Lauritz – 1980
The spatial layout of visual displays was evaluated by means of three magnitude estimation tasks and one reproduction task. Each stimulus display consisted of 16 randomly-drawn, two-digit numbers. Six different spatial layouts, or display types, were used: systematic vs. random spatial order of numbers; regular vs. irregular boundaries of the…
Descriptors: Cognitive Processes, College Students, Evaluation Methods, Patterned Responses
Download full textChechile, Richard A.; Gordon, Tracey – 1976
A study was performed to investigate the storage and retrieval dynamics that occur during paired-associate acquisition by means of the storage-retrieval separation technique discussed recently by Chechile & Meyer (1976). Thirty subjects learned an 18-item paired-associate list to a criterion of three perfect trials. In the test phase of each…
Descriptors: Associative Learning, Cognitive Processes, Information Processing, Learning Processes
KATZ, MARTIN M.; AND OTHERS
THE DEVELOPMENT AND COMPONENTS OF LYSERGIC ACID DIETHYLAMIDE (LSD) PRODUCED PSYCHOLOGICAL STATES ARE INVESTIGATED. THE SUBJECTS WERE PAID VOLUNTEERS FROM THE PATUXENT INSTITUTION, A TREATMENT CENTER FOR EMOTIONALLY UNSTABLE CRIMINAL OFFENDERS. IN ONE STUDY, GROUPS OF 23 SUBJECTS RECEIVED LSD, AN AMPHETAMINE, OR A PLACEBO. IN THE SECOND STUDY, 11…
Descriptors: Cognitive Processes, Emotional Disturbances, Emotional Experience, Emotional Problems
