Books about Unconditioned from Amazon.com

Whether it is called enlightenment, pure awareness, or the "unconditioned mind," there exists an awakened state of pure liberation that is at the heart of every contemplative tradition. Yet, according to Peter Fenner, this experience of boundless consciousness does not have to exist separately from our day-to-day, "conditioned" existence. Rather, we can learn to exist as unique individuals at the same time as we rest in a unified expanse of oneness with all existence--in a state he calls "Radiant Mind." In Radiant Mind, Peter Fenner shares the insights, techniques, and exercises he has developed in teaching the thousands of students who have attended his sold-out workshops, including: * How to observe and dissolve fixations, to live in the here and now without being controlled by our desires * Listening and speaking in a way that moves us toward pure openness--and lets us share this experience with others * Tools for identifying our conscious and unconscious sources of suffering--and learning to transcend those patterns "As extraordinary as unconditioned mind may sound," teaches Peter Fenner, "it isn't distant from our everyday life; it's always readily available to us." Now, this respected authority on both Eastern spirituality and Western psychology introduces readers to a set of practices available to anyone open to the complete possibilities of their spiritual evolution--and to the experience of the unconstrained bliss of Radiant Mind..
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This digital document is a journal article from Neurobiology of Learning and Memory, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Exposure to an acute stressor of inescapable swimming or intermittent tailshocks impairs classical eyeblink conditioning 24h later in female rats (Wood, Beylin, & Shors, 2001). This effect is often attributed to a deficit in ''learning,'' but since stress has been shown to induce analgesia (Jackson, Maier, & Coon, 1979), an alternative explanation is that stressor exposure reduces conditioning by lessening the perceived intensity of the unconditioned stimulus (US). To address this possibility we examined the amplitude of the unconditioned response (UR) during training and found that although exposure to the stressor impaired trace conditioning, there was no difference in the UR amplitude. We also found that eyeblink responses to different US intensities (4-12V) in the absence of training were unaffected by stressor exposure. Taken together, these experiments indicate that the stress-induced impairment of conditioning in females is not due to a decreased perception of US strength. .
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This digital document is a journal article from Neurobiology of Learning and Memory, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
The lateral and basolateral nuclei of the amygdala (LaA and BLA, respectively) serve as a filter for unconditioned and conditioned aversive information that ascends to higher structures from the brainstem, whereas the central nucleus of the amygdala (CeA) is considered to be the main output for the defense reaction. It has been shown that the dorsal periaqueductal gray (dPAG) is activated by threatening stimuli and has important functional links with the amygdala through two-way anatomical connections. In this work, we examined the influence of chemical inactivation of these nuclei of amygdala on the freezing and escape responses induced by electrical stimulation through electrodes implanted in the dPAG of Wistar rats. Each rat also bore a cannula implanted in the LaA, BLA or CeA for injections of muscimol (0.5@mg/0.5@mL) or its vehicle. The duration of freezing behavior that outlasts electrical stimulation of the dPAG was also measured. On the following day, these animals were submitted to a contextual fear-conditioning using foot shocks as unconditioned stimulus. Conditioned freezing to contextual cues previously associated with foot shocks was also inhibited by injections of muscimol into these amygdaloid nuclei. The contextual conditioned freezing behavior is generated in the neural circuits of conditioned fear in the amygdala. The data obtained also show that injections of muscimol into the three amygdaloid nuclei did not change the aversive threshold of freezing, but disrupted the dPAG post-stimulation freezing. Previous findings that the latter freezing results directly from dPAG stimulation and that it is not sensitive to a context shift suggest that it is unconditioned in nature. Thus, the amygdala can affect some, but not all, aspects of unconditioned freezing. Post-stimulation freezing may reflect the process of transferring aversive information from dPAG to higher brain structures. .
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