Forschungsgeschichte; History of linguistics ; Situation model; Mental imagery ; Sprache und Denken; Erkenntnis und Sprache; Language and thought; Erkenntnistheorie; Epistemology and language; Language and epistemology ; Kognitive Neurowissenschaft; Cognitive neuroscience; Neuropsychology ; Mental illness; Depression; Bipolare Störung; Bipolar disorder; Psychopathology ; Theory of language