Abstract：
:Expectation of reward facilitates motor behaviors that enable the animal to approach a location in space where the reward is expected. It is now known that the same expectation of reward profoundly modifies sensory, motor, and cognitive information processing in the brain. However, it is still unclear which brain regions are responsible for causing the reward-approaching behavior. One candidate is the dorsal striatum where cortical and dopaminergic inputs converge. We tested this hypothesis by injecting dopamine antagonists into the caudate nucleus (CD) while the monkey was performing a saccade task with a position-dependent asymmetric reward schedule. We previously had shown that: (1) serial GABAergic connections from the CD to the superior colliculus (SC) via the substantia nigra pars reticulata (SNr) exert powerful control over the initiation of saccadic eye movement and (2) these GABAergic neurons encode target position and are strongly influenced by expected reward, while dopaminergic neurons in the substantia nigra pars compacta (SNc) encode only reward-related information. Before injections of dopamine antagonists the latencies of saccades to a given target were shorter when the saccades were followed by a large reward than when they were followed by a small reward. After injections of dopamine D1 receptor antagonist the reward-dependent latency bias became smaller. This was due to an increase in saccade latency on large-reward trials. After injections of D2 antagonist the latency bias became larger, largely due to an increase in saccade latency on small-reward trials. These results indicate that: (1) dopamine-dependent information processing in the CD is necessary for the reward-dependent modulation of saccadic eye movement and (2) D1 and D2 receptors play differential roles depending on the positive and negative reward outcomes.
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Hikosaka Odoi
10.1196/annals.1390.012subject
Has Abstractpub_date
2007-05-01 00:00:00pages
229-49eissn
0077-8923issn
1749-6632pii
annals.1390.012journal_volume
1104pub_type
杂志文章,评审abstract：:One of the most studied effects of verbal working memory (WM) is the influence of the length of the words that compose the list to be remembered. This work aims to investigate the nature of musical WM by replicating the word length effect in the musical domain. Length and rate of presentation were manipulated in a rec...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.2009.04787.x
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abstract：:Acanthamoeba castellanii (A. castellanii) is a common soil- or water-borne protozoon that feeds on bacteria by phagocytosis. A. castellanii can grow between 4 and 32 degrees C and has to adapt quickly to chilling in order to survive. We have identified a Delta12-fatty acid desaturase as key to low temperature adaptati...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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abstract：:The avoidance of autoimmunity requires mechanisms to actively silence or tolerize self reactive T cells in the periphery. During infection, dendritic cells are not only capturing microbial antigens, but also are processing self antigens from dying cells as well as innocuous environmental proteins. Since the dendritic ...
journal_title：Annals of the New York Academy of Sciences
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abstract：:Familial glucocorticoid resistance (FGR) is a rare hereditary disorder characterized by hypercortisolism and the absence of stigmata of Cushing's syndrome. The inability of glucocorticoids to exert their effects on target tissues is compensated for by increases in circulating corticotropin (ACTH) and cortisol, the for...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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abstract：:A four- to fivefold overexpression of the gene for the Alzheimer beta/A4 amyloid precursor protein (APP) in individuals with Down's Syndrome (DS) appears to be responsible for the fifty year earlier onset of Alzheimer's disease (AD) pathology in DS compared to the normal population. It is therefore likely that a dereg...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
doi：10.1111/j.1749-6632.1993.tb23035.x
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abstract：:Calcitriol, the hormonal form of vitamin D, inhibited caspase-3-like activation in HaCaT keratinocytes exposed to hyperosmotic and oxidative stresses, heat shock, and the inflammatory cytokine TNF. The hormone also protected the cells from caspase-independent cell death induced by hyperosmotic and oxidative stresses. ...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
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abstract：:A few years after the first description of free-circulating DNA in plasma and serum, the detection of tumor-associated overexpressed mRNA in plasma was also reported. This observation has been confirmed and it seems to be clear that the presence of free-circulating RNA is a ubiquitous phenomenon. In this short review ...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
doi：10.1196/annals.1368.005
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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journal_title：Annals of the New York Academy of Sciences
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更新日期：2009-08-01 00:00:00
abstract：:The effects of visual field changes and ocular hypertension on visual evoked potentials were investigated by photopic ERG and by luminance and pattern-reversal EPs on 116 glaucomatous and on 7 normal eyes. The problem was approached by way of four investigations: Firstly, which nerve structures are affected by glaucom...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.1982.tb50794.x
更新日期：1982-01-01 00:00:00
abstract：:Immunoglobulin 4 (IgG4) is one of four human IgG subclasses and has several unique functional characteristics. It exhibits low affinity for complement and for most Fc receptors. It furthermore has generally high affinity for its antigen, with binding occurring in a monovalent fashion, as IgG4 can exchange Fab-arms wit...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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journal_title：Annals of the New York Academy of Sciences
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.2000.tb05523.x
更新日期：2000-01-01 00:00:00
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
doi：10.1111/j.1749-6632.1991.tb16995.x
更新日期：1991-01-01 00:00:00
abstract：:The role of acid-base interactions during coordinated acinar and duct cell secretion in the exocrine pancreas is described. The sequence of acid-base events may be summarized as follows: (1) Sorting of secretory proteins and membrane components into the regulated secretory pathway of pancreatic acinar cells is trigger...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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abstract：:A majority of incidentally found adrenal tumors derive from the adrenal cortex. The aim of our study was evaluation of the incidence of chromaffin tumors in a group of 1,111 patients with adrenal incidentalomas. In this group there were 803 women and 308 men, aged 10-87 years. Clinical examination, imaging studies (ul...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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journal_title：Annals of the New York Academy of Sciences
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
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更新日期：2010-05-01 00:00:00
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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更新日期：2011-12-01 00:00:00
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journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.1994.tb30406.x
更新日期：1994-02-18 00:00:00
abstract：:The immunotherapeutic agent ipilimumab has helped address a significant unmet need in the treatment of advanced melanoma. Ipilimumab is a fully human monoclonal antibody that targets cytotoxic T-lymphocyte antigen-4 (CTLA-4), thereby augmenting antitumor immune responses. After decades in which a number of clinical tr...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
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更新日期：2013-07-01 00:00:00
abstract：:Thymic tolerance depends on induction of apoptosis (programmed cell death) in immature thymocytes by antigen/MHC complexes on dendritic cells (and possibly other bone marrow-derived APCs). Interactions with antigen/MHC complexes on thymic epithelial cells promote maturation of double-positive thymocytes to single-posi...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
doi：10.1111/j.1749-6632.1992.tb38673.x
更新日期：1992-11-21 00:00:00
abstract：:Methamphetamine (METH) is a major drug of abuse in the United States. A high dose of METH given to mice and rats causes long-lasting depletion of tyrosine hydroxylase activity, dopamine (DA), and DA-transporter (DAT) binding sites in the striatum. In human METH-abusers, a marked decrease of the DAT in the caudate puta...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.2002.tb04156.x
更新日期：2002-06-01 00:00:00
abstract：:An inactive form of erythrocyte CA I was found in patients with primary aldosteronism. The levels of CA I in the patients were within the normal range: however, the specific esterase activity of CA I from three patients was in the range of 0.12-0.26 u/mg CA I (normal control: 0.66 +/- 0.1 u/mg CA I). In one subject, w...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.1984.tb12353.x
更新日期：1984-01-01 00:00:00
abstract：:This paper is dedicated to the transient liquid crystal technique measurements for multiple view access by using a novel digital recording and image processing system. The transient liquid crystal technique is widely used for heat transfer investigations in turbomachinery. It has been applied in our laboratory in seve...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.2001.tb05863.x
更新日期：2001-05-01 00:00:00
abstract：:The term "steroid- or glucocorticoid-resistant (GR) asthma" has been used to describe a group of asthmatics who demonstrate persistent airway obstruction and inflammation despite treatment with high doses of systemic glucocorticoids (GCs). There are at least two forms of GR asthma. The first group of patients has an a...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章,评审
doi：10.1111/j.1749-6632.1998.tb09612.x
更新日期：1998-05-01 00:00:00
abstract：:The adaptation of the vestibulo-ocular reflex (VOR) was studied in 26 normal subjects and 26 patients with cerebellar lesions, using horizontal vision-reversal prisms. In normal subjects, the adaptation of gain after wearing prisms for one hour was approximately 50% of the VOR value in the dark. In contrast to this, p...
journal_title：Annals of the New York Academy of Sciences
pub_type： 杂志文章
doi：10.1111/j.1749-6632.1981.tb30897.x
更新日期：1981-01-01 00:00:00
