Examines the effect of stressful and nonstressful experimental situations upon the processing capacity of each cerebral hemisphere, through observing the differential performance tasks presented to right and left visual half-fields (VHFs). Also examines attentional bias and lateral eye movements. (Author/RK)

Recent laboratory work on the recall of pictures has produced a pattern suggesting that memory for certain classes of stimuli may be hypermnesiac rather than amnesiac (Ebbinghaus, 1885/1964), increasing over time and recall attempts. This research tries to determine the magnitude of memory growth over significant time intervals, e.g., a week…

In an attempt to assess the validity of the distinction between episodic and semantic memory, this research examined the influence of two variables on sentence verification (presumably a semantic memory task) and sentence recognition (presumably an episodic memory task). ( Editor)

A perspective, based on an elaboration of Underwood's (1969) attributes model of memory, is advanced which proposes that for all types of information both detailed and thematic attributes are stored. Two experiments using prose passages as stimulus materials test this proposal. (Editor/RK)

Examines the phenomenon of water drops that float on water at room temperature. Describes experiments that have been done to study this phenomenon. (MA)

Discusses the origin and existence of sediment layers in the Atlantic Ocean. (CP)

Describes the general thrust of deep-sea microbiology research. Discusses the existence of deep-sea food chains. (CP)

Reports on scientific research with rats which has found that electrical stimulation in areas of the brain can trigger behavioral effects similar to those produced by narcotic drugs. (CP)

Describes an experiment to measure the relative rate of hydrolysis of the 2-x-2 methylpropanes, where x is bromo, chloro or iodo. The results are plotted on a graph from which the relative rate of hydrolysis can be deduced. (Author/GA)

Two physics experiments are described, One, involving a laboratory cart accelerated along a level surface, examines the concept of inertial mass in translation and the other, using a solid cylinder, measures the moment of inertia of a wheel. Equations and illustrations are included. (MA)

In two experiments, recognition accuracy was compared between subjects who made frequency judgments and subjects who made recognition judgments. Results indicate that at least partially different information in memory is evaluated when judging frequency than when making recognition judgments and that this information facilitates recognition…

The paradigm producing recognition failure of recallable words was investigated in a series of three experiments. Results indicate that retrieval asymmetry: (a) exists in the recognition failure paradigm directly following list study, (b) increases significantly following a free-association task aimed at generation of the target words from the…

Research by Posner and Mitchell (1967) was used to investigate levels of noise processing in testing subjects' ability to "gate out" the processing of irrelevant and unwanted material. Three experiments are reported in which subjects had to judge whether two letters were the "same" or "different". Noise elements were included to test attention…

Three postulates are proposed concerning the manner in which persons infer the validity of propositions that do not necessarily follow logically from the information available. Implications of the proposed postulates for existing formulations of social inference and cognitive organization are discussed. (Editor/RK)

Discusses how the fast Fourier transform can be used as a teaching tool to introduce spectral analysis of sampled data by interactive minicomputer experiments. (MLH)