What's the difference between negativity and pessimism?

Negativity


Definition:

  • (n.) The quality or state of being negative.

Example Sentences:

  • (1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
  • (2) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
  • (3) Comparison of wild type and the mutant parD promoter sequences indicated that three short repeats are likely involved in the negative regulation of this promoter.
  • (4) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
  • (5) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
  • (6) Peripheral eosinocytes increased by 10%, and tests for HBsAg, antiHBs, antimitochondrial antibody and anti-smooth muscle antibody were all negative.
  • (7) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
  • (8) It is suggested that the normal cyclical release of LH is inhibited in PCO disease by a negative feedback by androgens to the hypothalamus or the pituitary, and that wedge resection should be reserved for patients in whom other forms of treatment have failed.
  • (9) Increases in extracellular calcium antagonized the negative inotropic effect.
  • (10) In a further study 1082 patients with a negative or doubtful result of the physical examination were investigated using ultrasound.
  • (11) Control incubations revealed an inherent difference between the two substrates; gram-positive supernatants consistently contained 5% radioactivity, whereas even at 0 h, those from the gram-negative mutant released 22%.
  • (12) The results obtained from these test systems were all negative.
  • (13) After transfection in CH4C1 cells the two isoforms are coupled with adenylate cyclase while only the shortest isoform appears negatively coupled to phospholipase C. Functional D2 dopamine receptors are present in human prolactinomas.
  • (14) All sera samples were tested by hemagglutination inhibition (HI) test and 881 (78.5%) of those were found to be positive and 242 (21.5%) were negative.
  • (15) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
  • (16) The remaining 5 soil samples, obtained from sites that were not in close proximity to lakes, were also negative except for one that contained type B.
  • (17) The percentage of eggs clamped at values more negative than -65 mV, which responded at insemination by developing an If, decreased and dropped to 0 at -80 mV.
  • (18) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
  • (19) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
  • (20) In Stage II patients, chemotherapy has an impact on disease mortality for ER-positive and ER-negative premenopausal women and possibly ER-negative postmenopausal patients.

Pessimism


Definition:

  • (n.) The opinion or doctrine that everything in nature is ordered for or tends to the worst, or that the world is wholly evil; -- opposed to optimism.
  • (n.) A disposition to take the least hopeful view of things.

Example Sentences:

  • (1) Ultimately, the judgments combine to make a particularly peculiar melange: among the plaintiffs there is a mix of economic pessimism and insecure nationalism with a shot of nostalgia for the Deutschmark.
  • (2) Since doctors are generally accepted as experts on health matters, their apparent undue pessimism about cancer prognosis is unfortunate.
  • (3) Behind the broad sweep of pessimism, it is worth thinking about how the "eurozone in crisis" story could eventually improve.
  • (4) Pessimism is my default setting," she told the Daily Telegraph.
  • (5) There has been widespread pessimism, usually without significant data, about the cloth-covered prosthesis, because of concern of cloth wear, hemolysis and other complications.
  • (6) The cognitive theories of depression emphasize the role of pessimism about the future in the etiology and maintenance of depression.
  • (7) Other negative emotions – self-pity, guilt, apathy, pessimism, narcissism – make it a deeply unattractive illness to be around, one that requires unusual levels of understanding and tolerance from family and friends.
  • (8) But Cameron veered from Libya to adoption, from apprenticeships to gay marriage, and on the economy, from optimism to pessimism.
  • (9) Indications of brain damage sustained during infancy are not grounds for pessimism on the part of the psychotherapeut.
  • (10) The pessimism about the psychiatric reform that emerges among some general practitioners seems to have more to do with the slow progress in creating intermediary facilities between hospital and region rather than an a priori opposition to the reform.
  • (11) To the widespread therapeutic pessimism we oppose various psychotherapeutic techniques for the treatment of non-psychotic compulsive phenomenal; for the manifestations occurring in the course of psychotic illnesses, the appropriate psychotropic drugs will be used in the first place, although they are of limited importance in these types of illness which oppose serious difficulties to all methods of treatment.
  • (12) In MAS, more than a few patients revealed a high anxiety level concretely, recognized psychosocial problems with loss of desire for treatment pessimism recording their prognosis, in addition to loss of QOL.
  • (13) One of the patterns of rigidity is an outgrowth of the lifestyle of pessimism, suspicion, self-reliance, self-discipline, determination, and endurance.
  • (14) The findings are discussed with respect to the mechanisms underlying predictive optimism and pessimism and the possible functions and implications of these predictive biases.
  • (15) But I don’t share the pessimism of a younger friend and activist who says: “I can’t see us being back in office this side of 2030.
  • (16) The questionnaire measured various attitudes concerning asthma and was used to identify those respondents reporting high levels of pessimism or stigma in relation to their condition.
  • (17) A kind of ironic pessimism – planning to fail – is a bit of a cliche in contemporary art.
  • (18) Among the 14 explanatory variables in the multivariate logistic analysis, family members' and friends' smoking, the place of residence, strenuousness of leisure-time physical activities, number of friends, rebelliousness, intelligence test score, and general pessimism were most strongly associated with the likelihood of being a current smoker.
  • (19) The climate models are unequivocal in their pessimism for the future.
  • (20) Compared with findings in manic subjects, the dimensional score for Harm Avoidance was elevated in all affective groups, "worry and pessimism" was elevated in mixed-state subjects, "shyness with strangers" was elevated in depressed and nonaffective subjects, and "attachment" was lower in depressed and nonaffective subjects.