Biomaterial Database

Free-operant avoidance behavior in rats with lateral septal lesions: Effect of shock intensity. 1976

T Sagvolden

The purpose of experiment 1 was to examine the relationship between shock intensity and normal rats' free-operant (Sidman) avoidance performance on a 3-component, multiple schedule. The results showed an inverted U-shaped relation between response rate and shock intensity, but no consistent relation between shock rate and shock intensity was found. Experiment 2 showed that lateral sptal lesions produced a bidirectional change in reactivity to electric shock. An increased reactivity was observed in the initial sessions starting on the 11th day after the surgery, while a reduced reactivity was observed in the final sessions when stable performance had been reacquired. These changes were not a function of the waning of general hyperreactivity with post-operative recovery: the septal lesions in this study did not produce any "sham rage". From 40 to 80% of the variance in response rates was accounted for by this bidirectional change in the reactivity to shock.

UI	MeSH Term	Description	Entries
D011889	Rage	Fury; violent, intense anger.	Rages
D003216	Conditioning, Operant	Learning situations in which the sequence responses of the subject are instrumental in producing reinforcement. When the correct response occurs, which involves the selection from among a repertoire of responses, the subject is immediately reinforced.	Instrumental Learning,Learning, Instrumental,Operant Conditioning,Conditionings, Operant,Instrumental Learnings,Learnings, Instrumental,Operant Conditionings
D004558	Electric Stimulation	Use of electric potential or currents to elicit biological responses.	Stimulation, Electric,Electrical Stimulation,Electric Stimulations,Electrical Stimulations,Stimulation, Electrical,Stimulations, Electric,Stimulations, Electrical
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001362	Avoidance Learning	A response to a cue that is instrumental in avoiding a noxious experience.	Aversion Behavior,Aversion Learning,Aversive Behavior,Aversive Learning,Avoidance Behavior,Aversion Behaviors,Aversive Behaviors,Avoidance Behaviors,Behavior, Aversion,Behavior, Aversive,Behavior, Avoidance,Behaviors, Aversion,Behaviors, Aversive,Behaviors, Avoidance,Learning, Aversion,Learning, Aversive,Learning, Avoidance
D012686	Septal Nuclei	Neural nuclei situated in the septal region. They have afferent and cholinergic efferent connections with a variety of FOREBRAIN and BRAIN STEM areas including the HIPPOCAMPAL FORMATION, the LATERAL HYPOTHALAMUS, the tegmentum, and the AMYGDALA. Included are the dorsal, lateral, medial, and triangular septal nuclei, septofimbrial nucleus, nucleus of diagonal band, nucleus of anterior commissure, and the nucleus of stria terminalis.	Bed Nucleus of Stria Terminalis,Nucleus of Anterior Commissure,Nucleus of Diagonal Band,Nucleus of Stria Terminalis,Septofimbrial Nucleus,Dorsal Septal Nucleus,Lateral Septal Nucleus,Lateral Septum Nucleus,Medial Septal Nucleus,Medial Septum Nucleus,Nucleus Interstitialis Striae Terminalis,Nucleus Lateralis Septi,Nucleus Septalis Lateralis,Nucleus Septi Lateralis,Nucleus Striae Terminalis,Nucleus Triangularis Septi,Nucleus of the Stria Terminalis,Septal Nuclear Complex,Triangular Septal Nucleus,Anterior Commissure Nucleus,Complex, Septal Nuclear,Complices, Septal Nuclear,Diagonal Band Nucleus,Laterali, Nucleus Septalis,Laterali, Nucleus Septi,Lateralis Septi, Nucleus,Lateralis Septus, Nucleus,Lateralis, Nucleus Septalis,Lateralis, Nucleus Septi,Nuclear Complex, Septal,Nuclear Complices, Septal,Nuclei, Septal,Nucleus Lateralis Septus,Nucleus Septalis Laterali,Nucleus Septi Laterali,Nucleus Striae Terminali,Nucleus Triangularis Septus,Nucleus, Dorsal Septal,Nucleus, Lateral Septal,Nucleus, Lateral Septum,Nucleus, Medial Septal,Nucleus, Medial Septum,Nucleus, Septofimbrial,Nucleus, Triangular Septal,Septal Nuclear Complices,Septal Nucleus, Dorsal,Septal Nucleus, Lateral,Septal Nucleus, Medial,Septal Nucleus, Triangular,Septalis Laterali, Nucleus,Septalis Lateralis, Nucleus,Septi Laterali, Nucleus,Septi Lateralis, Nucleus,Septi, Nucleus Lateralis,Septi, Nucleus Triangularis,Septum Nucleus, Lateral,Septum Nucleus, Medial,Septus, Nucleus Lateralis,Septus, Nucleus Triangularis,Stria Terminalis Nucleus,Striae Terminali, Nucleus,Striae Terminalis, Nucleus,Terminali, Nucleus Striae,Terminalis, Nucleus Striae,Triangularis Septi, Nucleus,Triangularis Septus, Nucleus
D012688	Septum Pellucidum	A triangular double membrane separating the anterior horns of the LATERAL VENTRICLES of the brain. It is situated in the median plane and bounded by the CORPUS CALLOSUM and the body and columns of the FORNIX (BRAIN).	Septum Lucidum,Septum Pelusidum,Supracommissural Septum,Lucidum, Septum,Lucidums, Septum,Pellucidum, Septum,Pelusidum, Septum,Pelusidums, Septum,Septum Lucidums,Septum Pelusidums,Septum, Supracommissural,Septums, Supracommissural,Supracommissural Septums
D013239	Stereotyped Behavior	Relatively invariant mode of behavior elicited or determined by a particular situation; may be verbal, postural, or expressive.	Behavior, Stereotyped,Behaviors, Stereotyped,Stereotyped Behaviors
D013997	Time Factors	Elements of limited time intervals, contributing to particular results or situations.	Time Series,Factor, Time,Time Factor