Summation of response rates to discriminative stimuli associated with qualitatively different reinforcers1
نویسندگان
چکیده
منابع مشابه
An fMRI study of human visual cortex in response to spatiotemporal properties of visual stimuli
ABSTRACT Background: The brain response to temporal frequencies (TF) has been already reported, but with no study reported for different TF with respect to various spatial frequencies (SF). Materials and Methods: fMRI was performed by 1.5T GE-system in 14 volunteers during checkerboard, with TFs of 4, 6, 8 and 10Hz in low and high SFs of 0.5 and 8cpd. Results: Average percentage BOLD signa...
متن کاملExpression of CXC Chemokines Gro/KC and SDF-1a in Rat H4 Hepatoma Cells in Response to Different Stimuli
Background: It is now well established that several environmental stress factors cause activation of p38 MAP kinase and JNK in various cell types to produce chemokines. Objective: To investigate the expression of CXC chemokines Gro/KC and SDF- 1a in rat's H4 hepatoma cells in response to heat shock, hyperosmolarity and oxidative stress. Methods: Hepatoma cells were maintained in MEM medium. Cel...
متن کاملSummation of reinforcement rates when conditioned stimuli are presented in compound.
Three experiments used delay conditioning of magazine approach in rats to examine the summation of responding when two conditioned stimuli (CSs) are presented together as a compound. The duration of each CS varied randomly from trial-to-trial around a mean that differed between the CSs. This meant that the rats' response rate to each CS was systematically related to the reinforcement rate of th...
متن کاملConvergence and Divergence Exhibit Different Response Characteristics to Symmetric Stimuli
The dynamic characteristics of horizontal convergence and divergence eye movement responses to symmetric stimuli were examined. Binocular eye movements were recorded in five, visually normal adult subjects using the infrared reflection technique for symmetric convergent and divergent blur-free, disparity-only, step stimuli of 2, 4, 8, 12, and 16 deg. The main sequence as well as other temporal ...
متن کاملGeneration of Multiple Qualitatively Different Plan Options
In this paper, we present a Web-based demonstration of a Course of Action (COA) comparison matrix being used as an interface to an O-Plan plan server to explore multiple qualitatively different plan options. The scenario used for this demonstration is concerned with crisis operations on the island of Pacifica. The COA comparison matrix allows the user to explore and evaluate several different p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of the Experimental Analysis of Behavior
سال: 1968
ISSN: 0022-5002
DOI: 10.1901/jeab.1968.11-561